Need help to fix these errors

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Component Version
LibreNMS 23.2.0-30-g0e322ae5d (2023-03-13T20:49:23+05:30)
DB Schema 2022_09_03_091314_update_ports_adsl_table_with_defaults (248)
PHP 8.2.3
Python 3.9.2
Database MariaDB 10.5.18-MariaDB-0+deb11u1
RRDTool 1.7.2
SNMP 5.9
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[OK] Composer Version: 2.5.4
[OK] Dependencies up-to-date.
“Exception: Using ${var} in strings is deprecated, use {$var} instead”
“/opt/librenms/LibreNMS/Validations/Database/CheckSchemaStructure.php:267”
“Exception: Using ${var} in strings is deprecated, use {$var} instead”
“/opt/librenms/LibreNMS/Validations/Database/CheckSchemaStructure.php:277”
[OK] Database connection successful
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK] Database and column collations are correct
[OK] Database schema correct
[OK] MySQl and PHP time match
“Exception: stream_socket_client(): Unable to connect to tcp://127.0.0.1:6379 (Connection refused)”
“/opt/librenms/vendor/predis/predis/src/Connection/StreamConnection.php:127”
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[OK] Python poller wrapper is polling
[OK] Redis is unavailable
[OK] rrd_dir is writable
[OK] rrdtool version ok
“Exception: rtrim(): Passing null to parameter #1 ($string) of type string is deprecated”
“/opt/librenms/LibreNMS/Validations/User.php:95”
“Exception: Creation of dynamic property Facade\FlareClient\Http\Client::$lastRequest is deprecated”
“/opt/librenms/vendor/facade/flare-client-php/src/Http/Client.php:184”

soon i enabled syslog-ng these issue occured
anyone know how to fix it

Php 8.2 is not officially supported yet

ok thanks
Thanks for the help