How To Fix MCEX165 - Update mode changed from serialized V3 update -> Long text

SAP Error Message - Details

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 165

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

What causes this issue?

You have changed the update mode to "Serialized V3 Update".
Note that this mode will no longer be offered in future plug-in
releases.
Furthermore, you need to keep in mind that this mode can cause
performance problems. These problems can occur especially if you
create/change documents in the OLTP system in different languages.

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?

Check to see if 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 MCEX165 - Update mode changed from serialized V3 update -> Long text ?

  The SAP error message MCEX165 indicates that the update mode for a specific process has changed from a serialized V3 update to a different mode. This typically occurs in the context of the SAP system's update processing, particularly when dealing with data updates in the background.
  Cause:
  
  
  Update Mode Change: The error suggests that the system has detected a change in the update mode. This can happen due to various reasons, such as:
  
  Configuration changes in the update settings.
  Issues with the update framework or the way updates are being processed.
  A specific transaction or program that is not compatible with the expected update mode.
  
  
  
  Data Consistency Issues: If there are inconsistencies in the data being processed, the system may switch to a different update mode to handle the situation.
  
  
  Performance Considerations: Sometimes, the system may change the update mode to optimize performance, especially if it detects that the serialized V3 update is causing delays or bottlenecks.
  
  
  Solution:
  
  
  Check Update Configuration: Review the update configuration settings in the SAP system. Ensure that the settings for the update modes are correctly configured and that there are no conflicting settings.
  
  
  Analyze the Program/Transaction: If the error occurs during a specific transaction or program, analyze the code to ensure that it is compatible with the expected update mode. Look for any explicit settings or calls that may force a change in the update mode.
  
  
  Review System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  Monitor Background Jobs: If the error occurs during background processing, monitor the relevant background jobs (transaction SM37) to identify any jobs that may be failing or causing issues.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be patches or updates available that resolve known issues related to update modes.
  
  
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Update Modes in SAP: Understanding the different update modes (e.g., V1, V2, V3) and their purposes can help in diagnosing issues related to update processing.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM13 (Update Records), SM21 (System Log), and SM37 (Job Monitoring) for troubleshooting.
  Performance Tuning: If performance is a concern, consider reviewing the overall system performance and tuning the database and application settings accordingly.
  
  By following these steps, you should be able to identify the cause of the MCEX165 error and implement a suitable solution.