Fatal error: Uncaught Exception: Warning: SessionHandler::write(): Write failed: No space left on device (28) in /var/www/html/vendor/magento/framework/Session/SaveHandler.php on line 212 in /var/www/html/vendor/magento/framework/App/ErrorHandler.php:62 Stack trace: #0 [internal function]: Magento\Framework\App\ErrorHandler->handler(2, 'SessionHandler:...', '/var/www/html/v...', 212) #1 /var/www/html/vendor/magento/framework/Session/SaveHandler.php(212): SessionHandler->write('2c4c0f638a856a6...', '_session_valida...') #2 /var/www/html/vendor/magento/framework/Session/SaveHandler.php(156): Magento\Framework\Session\SaveHandler->callSafely('write', '2c4c0f638a856a6...', '_session_valida...') #3 [internal function]: Magento\Framework\Session\SaveHandler->write('2c4c0f638a856a6...', '_session_valida...') #4 /var/www/html/vendor/magento/framework/Session/SessionManager.php(133): session_write_close() #5 /var/www/html/generated/code/Magento/Framework/Session/Generic/Interceptor.php(23): Magento\Framework\Session\SessionManager->writeClose() #6 [internal function]: Magento\Framework\Session\Generic\Interceptor->writeClose() #7 {main} thrown in /var/www/html/vendor/magento/framework/App/ErrorHandler.php on line 62