Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in E:\Cloud\OneDrive\ITBX\GIT\API\database\migrations\2022_03_02_154112_add_billing_table_to_chatcenter_channels_chat_table.php:7 Stack trace: #0 {main} thrown in E:\Cloud\OneDrive\ITBX\GIT\API\database\migrations\2022_03_02_154112_add_billing_table_to_chatcenter_channels_chat_table.php on line 7