Fatal error: During inheritance of ArrayAccess: Uncaught TYPO3\CMS\Core\Error\Exception: PHP Runtime Deprecation Notice: Return type of TYPO3\CMS\Core\Log\LogRecord::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 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Log/LogRecord.php line 310 in /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Error/ErrorHandler.php:128 Stack trace: #0 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Log/LogRecord.php(20): TYPO3\CMS\Core\Error\ErrorHandler->handleError() #1 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/vendor/composer/ClassLoader.php(480): include('...') #2 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/vendor/composer/ClassLoader.php(346): Composer\Autoload\includeFile() #3 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/vendor/typo3/class-alias-loader/src/ClassAliasLoader.php(135): Composer\Autoload\ClassLoader->loadClass() #4 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/vendor/typo3/class-alias-loader/src/ClassAliasLoader.php(123): TYPO3\ClassAliasLoader\ClassAliasLoader->loadClass() #5 [internal function]: TYPO3\ClassAliasLoader\ClassAliasLoader->loadClassWithAlias() #6 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Utility/GeneralUtility.php(3712): class_exists() #7 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Utility/GeneralUtility.php(3677): TYPO3\CMS\Core\Utility\GeneralUtility::getClassName() #8 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Log/Logger.php(211): TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance() #9 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Log/Logger.php(285): TYPO3\CMS\Core\Log\Logger->log() #10 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Error/AbstractExceptionHandler.php(85): TYPO3\CMS\Core\Log\Logger->critical() #11 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Error/DebugExceptionHandler.php(41): TYPO3\CMS\Core\Error\AbstractExceptionHandler->writeLogEntries() #12 /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Error/AbstractExceptionHandler.php(56): TYPO3\CMS\Core\Error\DebugExceptionHandler->echoExceptionWeb() #13 [internal function]: TYPO3\CMS\Core\Error\AbstractExceptionHandler->handleException() #14 {main} in /srv/www/vhosts/bwc-typo3.de/httpdocs/typo3_src-9/typo3/sysext/core/Classes/Log/LogRecord.php on line 20