How To Fix MCEX164 - Update mode changed from unserialized V3 update -> Long text

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 164

• Message text: Update mode changed from unserialized V3 update -> Long text

What causes this issue?

You have changed the update mode to "Unserialized V3 update".
Note: With this method, delta records may not enter the BW in the same
order as they were created in the OLTP system. This can particularly
lead to problems in the BW when using ODS objects.

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?

If you expect the above problems, check whether you can use the update
modes "Delta direct" or "Delta queued" for application &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MCEX164 - Update mode changed from unserialized V3 update -> Long text ?

  The SAP error message MCEX164 indicates that the update mode for a particular process has changed from an unserialized V3 update to a long text update. This typically occurs in the context of the Material Management (MM) or Sales and Distribution (SD) modules, where data updates are being processed.
  Cause:
  
  Update Mode Change: The system is trying to process an update that was initially set to be handled in an unserialized V3 update mode, but due to certain conditions (like data inconsistencies, system settings, or specific transaction types), it has switched to a long text update mode.
  Data Volume: If the data being processed is too large or complex, the system may automatically switch to a different update mode to handle the data more effectively.
  Configuration Issues: There may be configuration settings in the SAP system that dictate how updates are processed, and these settings may not align with the current data being processed.
  
  Solution:
  
  Check Configuration: Review the configuration settings related to update modes in your SAP system. Ensure that they are set correctly for the processes you are working with.
  Analyze Data: Look into the specific data that is causing the update mode to change. There may be specific records or transactions that are problematic.
  Review Logs: Check the system logs (transaction SM21) and update logs (transaction SM13) for any additional error messages or warnings that could provide more context on why the update mode changed.
  Adjust Data Volume: If the issue is related to data volume, consider breaking down the data into smaller batches or optimizing the data being processed.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on how to resolve it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM13 (Update Records), SM21 (System Log), and ST22 (Dump Analysis) to help diagnose the issue.
  SAP Documentation: Review SAP documentation related to update modes and data processing to understand the implications of different update modes.
  Support Community: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.