How To Fix MILL_PC189 - An error occurred during comparison of the original batch buffer

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC - Mill: Message Pool for Confirmations

• Message number: 189

• Message text: An error occurred during comparison of the original batch buffer

copied from HM6

What causes this issue?

The indicator <ZK>LS_PROOB_VB-UPD_FLG</> was filled incorrectly for
access to the original batch buffer:
The system tried to create an original batch that already exists
(LS_PROOB_VB-UPD_FLG = 'I' - Create original batch).
The system tried to change an original batch that does no exist
(LS_PROOB_VB-UPD_FLG = 'U' - Change original batch).

System Response

The system cannot update the original batch buffer.

How to fix this error?

Check whether the original batch already exists, and fill the indicator
LS_PROOB_VB-UPD_FLG accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC189 - An error occurred during comparison of the original batch buffer ?

  The SAP error message MILL_PC189, which states "An error occurred during comparison of the original batch buffer," typically occurs in the context of batch management and production processes. This error can arise during various operations, such as when trying to process or manage batches in the system.
  Causes:
  
  Data Inconsistency: The error may be caused by inconsistencies in the batch data, such as discrepancies between the original batch and the current batch buffer.
  Buffer Issues: There may be issues with the batch buffer itself, such as corruption or incorrect data being loaded into the buffer.
  Configuration Issues: Incorrect configuration settings in the batch management or production planning modules can lead to this error.
  User Authorization: Lack of proper authorization to access or modify batch data can also trigger this error.
  System Bugs: Occasionally, this error may be due to bugs in the SAP system or specific transactions.
  
  Solutions:
  
  Check Batch Data: Verify the integrity of the batch data. Ensure that the original batch and the current batch buffer are consistent and correctly configured.
  Reprocess the Batch: If the batch buffer is corrupted, try to reprocess the batch or clear the buffer and reload the data.
  Review Configuration: Check the configuration settings related to batch management and production processes to ensure they are set up correctly.
  User Authorization: Ensure that the user has the necessary authorizations to access and modify batch data.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. Applying the latest patches may resolve underlying issues.
  Debugging: If you have access to technical resources, consider debugging the transaction to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), MB1A (Goods Withdrawal), or CO02 (Change Production Order) that may be involved in batch processing.
  Batch Management: Understand the principles of batch management in SAP, including how batches are created, managed, and processed.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to batch management and error handling for additional insights.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.