Fatal error: Uncaught Error: Interface 'Composer\Semver\Constraint\ConstraintInterface' not found in /home/laravel1/dev.laravelbuddy.in/vendor/composer/semver/src/Constraint/Constraint.php:17 Stack trace: #0 {main} thrown in /home/laravel1/dev.laravelbuddy.in/vendor/composer/semver/src/Constraint/Constraint.php on line 17