Please help with: PHP Fatal error, HTTP Error 500


After weekend I can’t open via web gui librenms. When I try to open librenms webpage I got http error 500.
I type validate.php and I got that output:

PHP Fatal error: Can’t inherit abstract function LibreNMS\Interfaces\Authentication\Authorizer::authenticate() (previously declared abstract in LibreNMS\Authentication\AuthorizerBase) in /opt/librenms/LibreNMS/Authentication/AuthorizerBase.php on line 33

Could You please help.

Run, this was fixed yesterday, but we must have missed your update window.

Also, make sure to plan your migration off of php 5.3.

Yes i managed to fix this issue on my own. But thanks anyway.