CMS Stuck on upgrade to 4.2
 

After a long time away from maintaining my forum, I'm upgrading it from 3.6.1 to 4.2.0. Everything is going fine but near the end I am being asked the following:

Quote:
Would you like to install the CMS default data?


This will overwrite any data you may already have in your CMS.


Please enter an existing Username to attribute data to:



And there's a text box.

I know what "CMS" stands for, but not in this context, and have no idea what to do with this. Any suggestions welcomed.

Thanks.