Bei jeglicher Version zu installieren entsteht dieser Fehler:
Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Language::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /users/heckelmark/www/includes/classes/Language.class.php:185 Stack trace: #0 /users/heckelmark/www/includes/classes/Language.class.php(18): errorHandler(8192, 'Return type of ...', '/users/heckelma...', 185) #1 /users/heckelmark/www/includes/common.php(57): require('/users/heckelma...') #2 /users/heckelmark/www/install/index.php(23): require('/users/heckelma...') #3 {main} in /users/heckelmark/www/includes/classes/Language.class.php on line 18
Fatal error: During inheritance of ArrayAccess: Uncaught ErrorException: Return type of Language::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /users/heckelmark/www/includes/classes/Language.class.php:185 Stack trace: #0 /users/heckelmark/www/includes/classes/Language.class.php(18): errorHandler(8192, 'Return type of ...', '/users/heckelma...', 185) #1 /users/heckelmark/www/includes/common.php(57): require('/users/heckelma...') #2 /users/heckelmark/www/install/index.php(23): require('/users/heckelma...') #3 {main} in /users/heckelmark/www/includes/classes/Language.class.php on line 18