Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Database\Eloquent\Builder' not found in /var/www/development/pixtask/vendor/illuminate/database/Eloquent/Relations/Relation.php:16 Stack trace: #0 {main} thrown in /var/www/development/pixtask/vendor/illuminate/database/Eloquent/Relations/Relation.php on line 16