Voucher's workflow may reset after unchecking Hold Payment boxes for ready to pay vouchers

When running the AP Paycycle process, some voucher's payments will be set to Hold based on the Supplier's set up. Our normal process is to go into those vouchers and remove the hold payment check mark. We then would reset the paycycle and finish with the payment of the vouchers. Since our last upgrade, occasional when we remove the hold check mark the workflow on those voucher will reset from approved to pending. Once those vouchers are re-approved, we have not been able to replicate this issue on those same payments. It is a one