Fatal error: Uncaught UnexpectedValueException: The stream or file "/opt/sites/t4f-cl/app/logs/prod.log" could not be opened: failed to open stream: Permission denied in /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php:107 Stack trace: #0 /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.php(37): Monolog\Handler\StreamHandler->write(Array) #1 /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Handler/FingersCrossedHandler.php(122): Monolog\Handler\AbstractProcessingHandler->handle(Array) #2 /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Logger.php(337): Monolog\Handler\FingersCrossedHandler->handle(Array) #3 /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Logger.php(644): Monolog\Logger->addRecord(500, 'Uncaught PHP Ex...', Array) #4 /opt/sites/t4f-cl/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(102): Monolog\Logger->critical('Uncaught PHP Ex...', Array) #5 /opt/sites/t4f-cl/vendor/symfony/symfony in /opt/sites/t4f-cl/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php on line 107