Alright, those are fixed. Now, however, more problems are happening.

SuperAdmin #2 was already registered.
Three more administrators, numbers 3, 4, and 5 registered.

3 & 4 didn't seem to have any problems, but 5 got an error, and we've tried to register a couple more accounts since then. It's always the same error.

UBB Error
We encountered a problem. The reason reported was

Script:
Line#:
SQL Error: Duplicate entry '7-3' for key 1
SQL Error #: 1062
Query: insert into ubbt_USER_GROUPS values ('7','3')

Please click back to return to the previous page.

-- that was for user #7 ... each time it was the corresponding number, so

UBB Error
We encountered a problem. The reason reported was

Script:
Line#:
SQL Error: Duplicate entry '5-3' for key 1
SQL Error #: 1062
Query: insert into ubbt_USER_GROUPS values ('5','3')

Please click back to return to the previous page.

and

UBB Error
We encountered a problem. The reason reported was

Script:
Line#:
SQL Error: Duplicate entry '6-3' for key 1
SQL Error #: 1062
Query: insert into ubbt_USER_GROUPS values ('6','3')

Please click back to return to the previous page.


Not sure what's causing it or how to fix it - any ideas?