Actually, I think there's another problem. When you import from the .csv, you have to decide whether or not to delete the old data:
View attachment 166737
If you do check the box, then your zones get an error and you'll have to go and re-add your TGs to your Talk Group List in every knob position:
View attachment 166738
If you don't check the box, the import just adds all the TG data to the end of the TGID List in tab E2 and you get everything duplicated. I had 684 TGs, now I have 1,368:
View attachment 166739
Using multi-select to delete the old ones:
View attachment 166742
Results in the same knob position errors.