Error with query: select order_details.* , items.*, video_homework_questions.* from orders
	join order_details on (orders.ordId =order_details.detOrdId)
	join items on (items.itmId =order_details.detItmId)
	join video_sections on (video_sections.secItmId =items.itmId)
	join videos on (video_sections.secId = videos.vidSecId)
	join video_homework_questions on (videos.vidId = video_homework_questions.quesVidId)
	 where ordRemoved=0 and  items.itmOnline=1 and ordParentId= group by itmId