Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/clademy/lms.clademy.com/database/migrations/2019_12_09_171149_make_taxes_nullable_propsal_items_table.php:8 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/database/migrations/2019_12_09_171149_make_taxes_nullable_propsal_items_table.php on line 8