Error Trying to Do a Financial Transaction Erase

I am trying to do a financial transaction erase and keep getting this error: "XXXXX (Transaction number) is not scheduled to be erased even though it is grouped with a transaction planned for erasure". Why won't the transaction erase?

This error is received when you attempt to erase a transaction that took place on a date other than your current business date in your DDI-Connect system. You can only perform financial transaction erases on transactions dated for the current business date.