Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\svn\happybee\database\migrations\2024_05_15_130759_create_cantidad_fluors_table.php:7 Stack trace: #0 {main} thrown in C:\svn\happybee\database\migrations\2024_05_15_130759_create_cantidad_fluors_table.php on line 7