Fatal error: Uncaught Error: Class "Elementor\Core\Database\Base_Migration" not found in C:\web_server\htdocs\home\wp-content\plugins\elementor\modules\atomic-widgets\database\migrations\add-capabilities.php:7 Stack trace: #0 {main} thrown in C:\web_server\htdocs\home\wp-content\plugins\elementor\modules\atomic-widgets\database\migrations\add-capabilities.php on line 7