Unable to delete device

When I try to delete a device I get a "Whoops looks like something went wrong. Check your LibreNMS.log - Output of that is below

[2019-08-06 16:23:42] production.ERROR: Call to undefined method App\Models\User::isDemoUser() {“userId”:2,“exception”:"[object] (BadMethodCallException(code: 0): Call to undefined method App\Models\User::isDemoUser() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php:50)
[stacktrace]
#0 /opt/librenms/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(36): Illuminate\Database\Eloquent\Model::throwBadMethodCallException(‘isDemoUser’)
#1 /opt/librenms/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1618): Illuminate\Database\Eloquent\Model->forwardCallTo(Object(Illuminate\Database\Eloquent\Builder), ‘isDemoUser’, Array)
#2 /opt/librenms/includes/html/pages/delhost.inc.php(10): Illuminate\Database\Eloquent\Model->__call(‘isDemoUser’, Array)
#3 /opt/librenms/app/Http/Controllers/LegacyController.php(51): require(’/opt/librenms/i…’)
#4 [internal function]: App\Http\Controllers\LegacyController->index(Object(Illuminate\Http\Request), Object(Illuminate\Session\Store), ‘delhost’)
#5 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): call_user_func_array(Array, Array)
#6 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\Routing\Controller->callAction(‘index’, Array)
#7 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\Routing\ControllerDispatcher->dispatch(Object(Illuminate\Routing\Route), Object(App\Http\Controllers\LegacyController), ‘index’)
#8 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\Routing\Route->runController()
#9 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(680): Illuminate\Routing\Route->run()
#10 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Routing\Router->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#11 /opt/librenms/app/Http/Middleware/VerifyTwoFactor.php(38): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#12 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\Http\Middleware\VerifyTwoFactor->handle(Object(Illuminate\Http\Request), Object(Closure))
#13 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#14 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#15 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Routing\Middleware\SubstituteBindings->handle(Object(Illuminate\Http\Request), Object(Closure))
#16 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#17 /opt/librenms/vendor/laravel/framework/src/Illuminate/Auth/Middleware/Authenticate.php(43): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#18 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Auth\Middleware\Authenticate->handle(Object(Illuminate\Http\Request), Object(Closure))
#19 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#20 /opt/librenms/app/Http/Middleware/LegacySession.php(44): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#21 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\Http\Middleware\LegacySession->handle(Object(Illuminate\Http\Request), Object(Closure))
#22 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#23 /opt/librenms/app/Http/Middleware/LegacyExternalAuth.php(45): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#24 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\Http\Middleware\LegacyExternalAuth->handle(Object(Illuminate\Http\Request), Object(Closure))
#25 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#26 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#27 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
#28 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#29 /opt/librenms/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#30 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#31 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#32 /opt/librenms/app/Http/Middleware/SetLocale.php(32): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#33 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\Http\Middleware\SetLocale->handle(Object(Illuminate\Http\Request), Object(Closure))
#34 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#35 /opt/librenms/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(56): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#36 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#37 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#38 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#39 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))
#40 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#41 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#42 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure))
#43 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#44 /opt/librenms/app/Http/Middleware/CheckInstalled.php(46): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#45 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\Http\Middleware\CheckInstalled->handle(Object(Illuminate\Http\Request), Object(Closure))
#46 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#47 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#48 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#49 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(657): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))
#50 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(623): Illuminate\Routing\Router->runRoute(Object(Illuminate\Http\Request), Object(Illuminate\Routing\Route))
#51 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(612): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request))
#52 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request))
#53 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}(Object(Illuminate\Http\Request))
#54 /opt/librenms/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#55 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\Proxy\TrustProxies->handle(Object(Illuminate\Http\Request), Object(Closure))
#56 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#57 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#58 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))
#59 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#60 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#61 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))
#62 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#63 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#64 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle(Object(Illuminate\Http\Request), Object(Closure))
#65 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#66 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#67 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode->handle(Object(Illuminate\Http\Request), Object(Closure))
#68 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#69 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\Routing\Pipeline->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#70 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#71 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))
#72 /opt/librenms/html/index.php(53): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
#73 {main}
"}

./validate.php
[root@librenms librenms]# ./validate.php

Component Version
LibreNMS 1.54-16-g01a519e
DB Schema 2019_07_03_132417_create_mpls_saps_table (139)
PHP 7.2.19
MySQL 5.5.60-MariaDB
RRDTool 1.4.8
SNMP NET-SNMP 5.7.2

====================================

[OK] Composer Version: 1.9.0
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct

I also have this issue when trying to delete from the UI. Deleting with ./delhost.php works.

$ ./validate.php 
====================================
Component | Version
--------- | -------
LibreNMS  | 1.54-17-gc18ba96f0
DB Schema | 2019_07_03_132417_create_mpls_saps_table (139)
PHP       | 7.2.19-0ubuntu0.18.04.1
MySQL     | 10.1.40-MariaDB-0ubuntu0.18.04.1
RRDTool   | 1.7.0
SNMP      | NET-SNMP 5.7.3
====================================

[OK]    Composer Version: 1.9.0
[OK]    Dependencies up-to-date.
[OK]    Database connection successful
[OK]    Database schema correct


[2019-08-06 21:54:26] production.ERROR: Call to undefined method App\Models\User::isDemoUser() {"userId":3,"exception":"[object] (BadMethodCallException(code: 0): Call to undefined method App\\Models\\User::isDemoUser() at /opt/librenms/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php:50)
[stacktrace]
#0 /opt/librenms/vendor/laravel/framework/src/Illuminate/Support/Traits/ForwardsCalls.php(36): Illuminate\\Database\\Eloquent\\Model::throwBadMethodCallException('isDemoUser')
#1 /opt/librenms/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Model.php(1618): Illuminate\\Database\\Eloquent\\Model->forwardCallTo(Object(Illuminate\\Database\\Eloquent\\Builder), 'isDemoUser', Array)
#2 /opt/librenms/includes/html/pages/delhost.inc.php(10): Illuminate\\Database\\Eloquent\\Model->__call('isDemoUser', Array)
#3 /opt/librenms/app/Http/Controllers/LegacyController.php(51): require('/opt/librenms/i...')
#4 [internal function]: App\\Http\\Controllers\\LegacyController->index(Object(Illuminate\\Http\\Request), Object(Illuminate\\Session\\Store), 'delhost')
#5 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): call_user_func_array(Array, Array)
#6 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\\Routing\\Controller->callAction('index', Array)
#7 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\\Routing\\ControllerDispatcher->dispatch(Object(Illuminate\\Routing\\Route), Object(App\\Http\\Controllers\\LegacyController), 'index')
#8 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\\Routing\\Route->runController()
#9 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(680): Illuminate\\Routing\\Route->run()
#10 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#11 /opt/librenms/app/Http/Middleware/VerifyTwoFactor.php(38): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#12 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\\Http\\Middleware\\VerifyTwoFactor->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#13 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#14 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#15 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Routing\\Middleware\\SubstituteBindings->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#16 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#17 /opt/librenms/vendor/laravel/framework/src/Illuminate/Auth/Middleware/Authenticate.php(43): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#18 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Auth\\Middleware\\Authenticate->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#19 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#20 /opt/librenms/app/Http/Middleware/LegacySession.php(44): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#21 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\\Http\\Middleware\\LegacySession->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#22 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#23 /opt/librenms/app/Http/Middleware/LegacyExternalAuth.php(45): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#24 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\\Http\\Middleware\\LegacyExternalAuth->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#25 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#26 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#27 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\VerifyCsrfToken->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#28 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#29 /opt/librenms/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#30 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\View\\Middleware\\ShareErrorsFromSession->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#31 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#32 /opt/librenms/app/Http/Middleware/SetLocale.php(32): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#33 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\\Http\\Middleware\\SetLocale->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#34 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#35 /opt/librenms/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(56): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#36 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Session\\Middleware\\StartSession->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#37 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#38 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#39 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\AddQueuedCookiesToResponse->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#40 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#41 /opt/librenms/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#42 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\EncryptCookies->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#43 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#44 /opt/librenms/app/Http/Middleware/CheckInstalled.php(46): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#45 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): App\\Http\\Middleware\\CheckInstalled->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#46 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#47 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#48 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#49 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(657): Illuminate\\Routing\\Router->runRouteWithinStack(Object(Illuminate\\Routing\\Route), Object(Illuminate\\Http\\Request))
#50 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(623): Illuminate\\Routing\\Router->runRoute(Object(Illuminate\\Http\\Request), Object(Illuminate\\Routing\\Route))
#51 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Router.php(612): Illuminate\\Routing\\Router->dispatchToRoute(Object(Illuminate\\Http\\Request))
#52 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\\Routing\\Router->dispatch(Object(Illuminate\\Http\\Request))
#53 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}(Object(Illuminate\\Http\\Request))
#54 /opt/librenms/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#55 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\\Proxy\\TrustProxies->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#56 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#57 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#58 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#59 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#60 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#61 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#62 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#63 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#64 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#65 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#66 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#67 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle(Object(Illuminate\\Http\\Request), Object(Closure))
#68 /opt/librenms/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request))
#69 /opt/librenms/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request))
#70 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\\Pipeline\\Pipeline->then(Object(Closure))
#71 /opt/librenms/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter(Object(Illuminate\\Http\\Request))
#72 /opt/librenms/html/index.php(53): Illuminate\\Foundation\\Http\\Kernel->handle(Object(Illuminate\\Http\\Request))
#73 {main}
"}

Same issue, same symptom, same fix here.

PHP | 7.3.8-1+ubuntu18.04.1+deb.sury.org+1
MySQL | 10.3.17-MariaDB-1:10.3.17+maria~bionic-log