Do not use "reset existing annotation" if you want to keep the units fixed. Use "reset but do not swap any annotated multi unit parts"? (The bug you linked likely was created before this option was available.)
If you did select the later then this is a clear bug.
Do not use "reset existing annotation" if you want to keep the units fixed. Use "reset but do not swap any annotated multi unit parts"? (The bug you linked likely was created before this option was available.)
If you did select the later then this is a clear bug.