Fatal error: Uncaught Error: Class 'Symfony\Component\String\AbstractUnicodeString' not found in /home/itscm/dev.its.cm/webservices/vendor/symfony/string/UnicodeString.php:33 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webservices/vendor/symfony/string/UnicodeString.php on line 33