Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/digitalproduct/public_html/projectmanagementsoftware/database/migrations/2021_02_24_092817_add_sac_code_invoice_table.php:7 Stack trace: #0 {main} thrown in /home/digitalproduct/public_html/projectmanagementsoftware/database/migrations/2021_02_24_092817_add_sac_code_invoice_table.php on line 7