Machine Embroidery Designs

I had a call the other day from a friend who embroiders. She has not been embroidering for that long, just a few months.
She had spent the whole of Saturday trying to figure out why her newly acquired embroidery design was constantly out of line. She checked her thread tension, her backing paper the lot. Rather than think it might be the design at fault and not her embroidering technique she frustratedly persevered to no avail.
She Finlay decided to give me a call and i asked her to email the design over to me. Straight away i opened the embroidery design file with my digitizing software and the faults were obvious, the design was not filled in properly, a few tweaks and all was sorted. Just thought i would share this with you in case any of you had spent hours frustrated over a embroidery design, dont always be quick to blame yourself, it might just be the embroidery design.