How To Fix FMPP1008 - This payment block is not set to unchangeable

SAP Error Message - Details

• Message type: E = Error

• Message class: FMPP1 - Partial Payment by Fund: Messages

• Message number: 008

• Message text: This payment block is not set to unchangeable

What causes this issue?

The flag of field XNCHG (unchangable flag) for the chosen payment block
in table T008 must be set for the partial payment process.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Set the flag <DS:SIMG.SIMG_CFORFBOB27ZAFR>here</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMPP1008 - This payment block is not set to unchangeable ?

  The SAP error message FMPP1008 indicates that a payment block is not set to unchangeable, which typically means that there is an issue with the payment block settings for a vendor or invoice. This error can occur in various scenarios, such as during the processing of payments or when trying to change payment details.
  Cause:
  
  Payment Block Configuration: The payment block may not be configured correctly in the vendor master data or invoice.
  Document Status: The document may be in a status that does not allow changes to the payment block.
  User Authorizations: The user may not have the necessary authorizations to change the payment block settings.
  System Settings: There may be system settings or configurations that prevent the payment block from being changed.
  
  Solution:
  
  
  Check Vendor Master Data:
  
  Go to the vendor master data (transaction code XK03 or MK03) and check the payment block settings. Ensure that the payment block is set correctly.
  
  
  
  Review Invoice Document:
  
  If the error occurs during invoice processing, check the invoice document (transaction code FB03) to see if the payment block is set and if it can be changed.
  
  
  
  Change Payment Block:
  
  If you have the necessary authorizations, you can try to change the payment block directly in the vendor master or invoice document. Use transaction codes like FB60 for invoices or F110 for payment processing.
  
  
  
  Consult with SAP Basis or Security Team:
  
  If you suspect that the issue is related to user authorizations, consult with your SAP Basis or security team to ensure that you have the necessary permissions to make changes.
  
  
  
  Check Configuration Settings:
  
  If the issue persists, it may be necessary to check the configuration settings in the SAP system. This may require assistance from an SAP consultant or someone with configuration expertise.
  
  
  
  Review Documentation:
  
  Check SAP documentation or notes related to the error message for any specific guidance or patches that may address the issue.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03 (Display Document), XK03 (Display Vendor), F110 (Automatic Payment Transactions), and FB60 (Enter Incoming Invoice).
  SAP Notes: Search for SAP Notes related to error FMPP1008 in the SAP Support Portal for any known issues or fixes.
  User Authorizations: Ensure that your user role has the necessary permissions to modify payment blocks.
  
  If the problem continues after trying the above solutions, it may be beneficial to escalate the issue to your SAP support team for further investigation.