How To Fix RSAU342 - No master data operations possible during a change run

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 342

• Message text: No master data operations possible during a change run

What causes this issue?

There are operations to be carried out on master data tables. This
applies to loading master data (attributes), for example. A realignment
run is currently taking place that does not allow this. This can occur
if a data request and a realignment run are scheduled in the background
and both are executed at the same time. This cannot be predicted by the
Scheduler. The data update is therfore not permitted and the process is
stopped.

System Response

The operations are not carried out on the master data tables.

How to fix this error?

After the realignment run is finished, you can carry out the relevant
action again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU342 - No master data operations possible during a change run ?

  The SAP error message RSAU342 "No master data operations possible during a change run" typically occurs in the context of SAP BW (Business Warehouse) or SAP Data Warehousing when there is an attempt to perform operations on master data while a change run is in progress. This error is related to the data loading and transformation processes in SAP BW.
  Cause:
  The error is triggered when:
  
  A change run is currently active, which means that the system is processing data changes and is not allowing any modifications to the master data.
  There may be ongoing data loads or transformations that lock the master data for consistency and integrity reasons.
  
  Solution:
  To resolve the RSAU342 error, you can take the following steps:
  
  
  Wait for the Change Run to Complete: The simplest solution is to wait until the current change run has finished. Once the change run is complete, you should be able to perform the master data operations without any issues.
  
  
  Check for Active Processes: Use transaction codes like SM37 (Job Monitoring) to check if there are any active jobs or processes that are currently running. If you find any jobs that are stuck or taking too long, you may need to investigate further.
  
  
  Terminate Long-Running Jobs: If you identify a job that is taking an unusually long time and is blocking the master data operations, you may consider terminating it. However, be cautious with this approach, as it may lead to data inconsistencies.
  
  
  Review Change Run Settings: Ensure that the settings for the change run are configured correctly. Sometimes, adjusting the settings can help in managing how change runs are processed.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to your specific version of SAP BW for any additional troubleshooting steps or known issues.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench) and RSCUSTV10 (to check settings for master data).
  Change Run Management: Understanding how change runs work in SAP BW can help you manage them more effectively and avoid such errors in the future.
  Master Data Management: Review best practices for managing master data in SAP BW to ensure that operations are performed during appropriate times.
  
  By following these steps, you should be able to resolve the RSAU342 error and continue with your master data operations in SAP BW.