Baby lock EMP6 stich issue Help Please

We have a Baby lock EMP6 and we are having a issue with a larger pattern.

The issue is that it is leaving a area without stitches (see attached pictures)

As mentioned it is a larger pattern the area of missing stitches is right wear the machine starts and stops.
(i.e the machine does not start at the A and work left to right to finish.
It stars at the A and stitches 80% of the letter it then picks up and mores all the way to the right and starts the X does most of it then picks up again and does the middle letters.

The defects show in the pictures occur where the machine starts and stops.

Can some explain why/how this is happening And the best solution

Kinda tricky to explain sorry if its confusing

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Location: 
United States

Can you send the design so i can look at it.
The only 2 explanation i can give of this.
Either there is no underlay stitch, so the logo can come out perfect
or
The bobbin case tension is tight.