You’ve specified a namespace, so PHP is looking for that class in the namespace Inc\admin
You can tell it to use the root namespace where that class is probably defined with a leading \ like:
class MV_Vendors extends \WP_List_Table {
You’ve specified a namespace, so PHP is looking for that class in the namespace Inc\admin
You can tell it to use the root namespace where that class is probably defined with a leading \ like:
class MV_Vendors extends \WP_List_Table {