Fatal error: Uncaught Error: Class "Assert\Assertion" not found in /var/www/crm_killing_ninja/vendor/nikolaposa/version/src/Assert/VersionAssertion.php:10 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/nikolaposa/version/src/Assert/VersionAssertion.php on line 10