Well, I deleted that line - even though it turned out to be unique.

Re-uploaded (takes forever via ftp) then I get this...

Quote
Error at the line 25131: INSERT INTO `ubbt_FORUM_LAST_VISIT` (`FORUM_ID`, `USER_ID`, `LAST_VISIT_TIME`) VALUES(16, 2, 1291498230);

Query: INSERT INTO `ubbt_FORUM_LAST_VISIT` (`FORUM_ID`, `USER_ID`, `LAST_VISIT_TIME`) VALUES(16, 2, 1291498230);

MySQL: Duplicate entry '2-16' for key 1


So I guess it's this part...
Quote
INSERT INTO `ubbt_FORUM_LAST_VISIT` (`FORUM_ID`, `USER_ID`, `LAST_VISIT_TIME`) VALUES(16, 2,

Clearly I can't search for all possible duplicates, so I have to go for option 2.

Can you please explain what would be affected by the removal of this data?

Thanks smile