Fatal error: Uncaught Error: Interface "Version\Comparison\Constraint\Constraint" not found in /var/www/crm_killing_ninja/vendor/nikolaposa/version/src/Comparison/Constraint/OperationConstraint.php:11 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/nikolaposa/version/src/Comparison/Constraint/OperationConstraint.php on line 11