Steps to reproduce the issue

Using Joomla 4.4.3
I tried to use it with PHP 8.2.
I try to display the home page of my site.

Expected result

https://ctd.ufolep91-volley.org/

Actual result

When I try to display the home page of my site, the error page is displayed :

• RuntimeException > Error
• Call to a member function getTag() on null
• in /homepages/36/d263187252/htdocs/clickandbuilds/Joomla/Joomla_2023/libraries/src/WebAsset/AssetItem/LangActiveAssetItem.php:48

Two warnings are also displayed :

• Deprecated: Creation of dynamic property Joomla\Database\Mysql\MysqlDriver::$charset is deprecated in /homepages/36/d263187252/htdocs/clickandbuilds/Joomla/Joomla_2023/libraries/vendor/joomla/database/src/Mysql/MysqlDriver.php on line 121
• Warning: session_name(): Session name cannot be changed after headers have already been sent in /homepages/36/d263187252/htdocs/clickandbuilds/Joomla/Joomla_2023/libraries/vendor/joomla/session/src/Storage/NativeStorage.php on line 405

System information (as much as possible)

• PHP exécuté sur : Linux info 3.0 #1337 SMP Tue Jan 01 00:00:00 CEST 2000 all GNU/Linux
• Type de la base de données : mysql
• Serveur web : Apache
• Version de Joomla : Joomla! 4.4.3 Stable [ Pamoja ] 20-February-2024 16:00 GMT
• Navigateur : Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0

Additional comments

No error with PHP 8.0
No error with PHP 8.1.27