Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/b2bwebnexxonro/digital-be/database/migrations/2024_08_28_143925_create_ai_threads_table.php:7 Stack trace: #0 {main} thrown in /home/b2bwebnexxonro/digital-be/database/migrations/2024_08_28_143925_create_ai_threads_table.php on line 7