Sewing machine. fabric doesn't move-needle is going up and down-feed dogs are movingIf I put the

Question

fabric doesn't move-needle is going up and down-feed dogs are movingIf I put the presser foot at the very lightest pressure, I can move fabric around myself (like free-form quilting). However, fabric won't advance on its own - I have to do it. And then the stitch length is all weird.Yes, I checked the manual :-)