Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\MallorcaTrabaja\backend\database\migrations\2026_05_27_120100_create_conversation_participants_table.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\MallorcaTrabaja\backend\database\migrations\2026_05_27_120100_create_conversation_participants_table.php on line 7