Manage post error

Hello, When I check the ads published by me it gives the error below:

Warning : include(C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage./../list/templates/list -item-img-list.php): Failed to open stream: Permission denied in C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage\templates\manage-list-item.php on line 13 Warning : include(): Failed opening ‘C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage./../list/templates/list-item-img-list.php’ for inclusion (include_path=’C:\xampp\php\PEAR’) in C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage\templates\manage-list-item.php on line 13 Warning : include(C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage./../list/templates/list-item-img-grid.php): Failed to open stream: Permission denied in C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage\templates\manage-list-item.php on line 14 Warning : include(): Failed opening ‘C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage./../list/templates/list-item-img-grid.php’ for inclusion (include_path=’C:\xampp \php\PEAR’) in C:\xampp\htdocs\retroclass\wp-content\plugins\wpadverts\blocks\manage\templates\manage-list-item.php on line 14 Video game snes