مشکل در باز کردن المنتور

سلام دوستان من میخواستم یک سایت به عنوان نمونه کار طراحی کنم ولی با مشکل مواجه شدم.

متن ارور:

Warning: Undefined array key “add_ons” in C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php on line 21

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php on line 21

Fatal error: Uncaught TypeError: Elementor\Modules\Home\Transformations\Filter_Plugins::get_add_ons_installation_status(): Argument #1 ($add_ons) must be of type array, null given, called in C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php on line 21 and defined in C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php:30 Stack trace: #0 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php(21): Elementor\Modules\Home\Transformations\Filter_Plugins->get_add_ons_installation_status(NULL) #1 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\classes\transformations-manager.php(57): Elementor\Modules\Home\Transformations\Filter_Plugins->transform(Array) #2 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\api.php(25): Elementor\Modules\Home\Classes\Transformations_Manager->run_transformations() #3 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\api.php(19): Elementor\Modules\Home\API->transform_home_screen_data(Array) #4 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\module.php(104): Elementor\Modules\Home\API->get_home_screen_items() #5 C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\module.php(66): Elementor\Modules\Home\Module->get_app_js_config() #6 C:\xampp\htdocs\fattah\wp-includes\class-wp-hook.php(324): Elementor\Modules\Home\Module->enqueue_home_screen_scripts(”) #7 C:\xampp\htdocs\fattah\wp-includes\class-wp-hook.php(348): WP_Hook->apply_filters(”, Array) #8 C:\xampp\htdocs\fattah\wp-includes\plugin.php(517): WP_Hook->do_action(Array) #9 C:\xampp\htdocs\fattah\wp-admin\admin-header.php(139): do_action(‘admin_print_scr…’) #10 C:\xampp\htdocs\fattah\wp-admin\admin.php(239): require_once(‘C:\xampp\htdocs…’) #11 {main} thrown in C:\xampp\htdocs\fattah\wp-content\plugins\elementor\modules\home\transformations\filter-plugins.php on line 30

ممنون میشم کمکم کنید