Fatal error: Uncaught RuntimeException: Could not write log record to log file in /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/Writer/FileWriter.php:170 Stack trace: #0 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/Logger.php(258): TYPO3\CMS\Core\Log\Writer\FileWriter->writeLog(Object(TYPO3\CMS\Core\Log\LogRecord)) #1 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/Logger.php(222): TYPO3\CMS\Core\Log\Logger->writeLog(Object(TYPO3\CMS\Core\Log\LogRecord)) #2 /var/www/vhosts/dev.grone.de/htdocs/releases/21/vendor/psr/log/Psr/Log/AbstractLogger.php(85): TYPO3\CMS\Core\Log\Logger->log(4, 'Instantiation o...', Array) #3 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/LogManager.php(153): Psr\Log\AbstractLogger->warning('Instantiation o...') #4 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/LogManager.php(108): TYPO3\CMS\Core\Log\LogManager->setWritersForLogger(Object(TYPO3\CMS\Core\Log\Logger)) #5 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Utility/GeneralUtility.php(3498): TYPO3\CMS\Core\Log\LogManager->getLogger('TYPO3.CMS.Core....') #6 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Core/Bootstrap.php(422): TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\...', 30466) #7 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Core/Bootstrap.php(100): TYPO3\CMS\Core\Core\Bootstrap::initializeErrorHandling() #8 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/index.php(25): TYPO3\CMS\Core\Core\Bootstrap::init(Object(Composer\Autoload\ClassLoader)) #9 /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/index.php(26): {closure}() #10 {main} thrown in /var/www/vhosts/dev.grone.de/htdocs/releases/21/public/typo3/sysext/core/Classes/Log/Writer/FileWriter.php on line 170