Fatal error: Uncaught Error: Interface 'Composer\Semver\Constraint\ConstraintInterface' not found in /home/flexinettek/public_html/vendor/composer/semver/src/Constraint/MultiConstraint.php:17 Stack trace: #0 {main} thrown in /home/flexinettek/public_html/vendor/composer/semver/src/Constraint/MultiConstraint.php on line 17