Fatal error: Uncaught Error: Interface "Composer\Semver\Constraint\ConstraintInterface" not found in /home/rwebserver/public_html/mmei/vendor/composer/semver/src/Constraint/MatchAllConstraint.php:19 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/mmei/vendor/composer/semver/src/Constraint/MatchAllConstraint.php on line 19