SAP Message PZ858 - You must specify a valid payment block reason

Diagnosis
You are not allowed to use the payment block specified here since youcan change it in the payment proposal or in the manual payment.

System Response
This payment block cannot be used.

Procedure
Use a payment block which satisfies the following criteria:

  • Cannot be changed in the payment proposal

  • Block for manual payment

  • Cannot be changed

  • Maintain payment block reasons.