Hi I love this site and over time I have learned many good things from here, lately I am having some trouble with one of my machines and hope some one can help me. As you can see from the pictures, it will stitch properly for a few stitches then some of the stitching comes out from the button , I have adjusted the timing , different needle thickness adjust the tension and still getting the same results , any one had the same problem and what they did to fix it or any suggestions I very much appr