ACH processing

Good day. I have copied R04572T2 and created a new UBE R5504572T2. I changed Pay Insturment Defaults to point to the new R5504572T2. I "undo" the pay groups and then re-ran create payment groups. When I wrote the checks everything worked proper. I created a new pay group, and when I wrote the checks it got stuck in a loop. It kept calling R04572, R5504572T2 and R04573. When I killed the job and looked at the pay group there was one payment remaining. I looked at that vendor and noticed it had the pre-note flag on. I changed everything back