Credit for Taxes Paid to Another State 

I filed my state return for WI but it was rejected because I had incorrect info in the Schedule OS called the Credit for Taxes Paid to Another State. I accidentally selected a second state 2 in the second column and that was the reason for rejecting the filed return. It let's me reopen that form, but when I try to delete zeros in that column, my deletions don't stick. I'm stuck in a loop and no apparent way to correct the form.