2429999 - Error message UDM_MSG300 (Process step &1: Change not possible, process step &2 missing)

When doing any modification to a dispute case, or a document linked to a dispute case (like adding a disputed item, or withdrawing a promise to pay from process receivables screen in UDM_SUPERVISOR or UDM_SPECIALIST) system issues error message UDM_MSG300 or UDM_MSG037 (Process step &1: Change not possible, process step &2 missing)

SAP ERP and SAP S/4HANA: Dispute and Collections Management

FDM UDM FSCM COL COLL DM Dispute Management Case P2P Promise To Pay Supervisor Specialist Udm_Supervisor Udm_Specialist Error Message MSG UDM_MSG 300 UDM_MSG300 Withdraw Withdrawing Change Process Step &1 &2 missing Buffer Fdm_Buffer Process step &1: Change not possible process step &2 missing , KBA , FIN-FSCM-COL , Collections Management , FIN-FSCM-DM , Dispute Management , Problem