How To Fix M8645 - Selected blocking reasons deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 645

• Message text: Selected blocking reasons deleted

What causes this issue?

Blocking reason on which the cursor was positioned has been deleted.

System Response

The system also checked whether the invoice has other blocking reasons.
It obviously has other blocking reasons, otherwise the system would have
automatically released the invoice and you would have received a
message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8645 - Selected blocking reasons deleted ?

  The SAP error message M8645 ("Selected blocking reasons deleted") typically occurs in the context of inventory management or material management when there are issues related to blocking reasons for materials. This message indicates that the blocking reasons you are trying to use or reference have been deleted from the system.
  Cause:
  
  Deletion of Blocking Reasons: The most common cause is that the blocking reasons you are trying to use have been deleted from the system. This can happen if a user with the appropriate permissions removed them from the configuration.
  Configuration Changes: Changes in the configuration settings related to material management or inventory management can lead to this error.
  Data Consistency Issues: There may be inconsistencies in the data, such as references to blocking reasons that no longer exist in the system.
  
  Solution:
  
  Check Blocking Reasons: Verify the list of blocking reasons in the system. You can do this by navigating to the relevant configuration settings in SAP (usually found in the IMG under Material Management).
  Restore Deleted Blocking Reasons: If the blocking reasons were deleted by mistake, you may need to restore them. This can be done by recreating the blocking reasons in the system.
  Update References: If you have any transactions or documents that reference the deleted blocking reasons, you will need to update those references to point to valid blocking reasons.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide guidance based on the specific configuration and version of your SAP system.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OMD0 (for maintaining blocking reasons) or MM02 (to change material master data) to manage blocking reasons.
  User Permissions: Ensure that users have the appropriate permissions to create or modify blocking reasons.
  Documentation: Refer to SAP documentation or help files for more detailed information on managing blocking reasons and related configurations.
  
  By following these steps, you should be able to address the M8645 error and restore functionality related to blocking reasons in your SAP system.