Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Constraint' not found in /home/azsoluti/public_html/kimai.azsolutionspk.com/src/Validator/Constraints/HexColor.php:18 Stack trace: #0 {main} thrown in /home/azsoluti/public_html/kimai.azsolutionspk.com/src/Validator/Constraints/HexColor.php on line 18