Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /var/www/html/spaceagent/inovis_template/database/migrations/2021_10_18_061854_create_html_element_contents_table.php:7 Stack trace: #0 {main} thrown in /var/www/html/spaceagent/inovis_template/database/migrations/2021_10_18_061854_create_html_element_contents_table.php on line 7