Error on support system installed

I am getting an error when i add cateogry

WordPress database error Duplicate entry 'Product Related' for key 'cat_name' for query INSERT INTO wp_support_tickets_cats (cat_name,site_id,user_id) VALUES ('Product Related',1,1) made by do_action('support_page_ticket-categories'), call_user_func_array, MU_Support_Menu->render_page, MU_Support_Network_Ticket_Categories->render_content, MU_Support_Network_Ticket_Categories->validate_form, MU_Support_System_Model->add_ticket_category

Request assistance please