Hi Dora,
Thanks, for all your help and also the responses from other users. I can not tell you all how grateful I am about getting this resolved.
I can tell you, that after retesting and doing some additional movies, I was able to recreate the issue and it is definitely the speed during the writing to the disc. When I do it as fastest, it recreates the issue. When I do it as slowest, I do not have a problem and you can't see the gaps on the discs.
Thanks, once again to you all and responders to my plea for help.
Ray