How To Fix MDG_MDF122 - The background job must finish first

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 122

• Message text: The background job must finish first

What causes this issue?

A background job for changing the Data Dictionary structures has been
scheduled. This job must be completed successfully before you can
continue processing in the application.

System Response

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?

Wait until the background job is finished.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_MDF122 - The background job must finish first ?

  The SAP error message MDG_MDF122 ("The background job must finish first") typically occurs in the context of Master Data Governance (MDG) when a process is trying to access or modify data that is currently being processed by a background job. This can happen in various scenarios, such as during data replication, data validation, or when executing certain workflows.
  Cause:
  
  Concurrent Processing: The error indicates that there is a background job currently running that is locking the data or process you are trying to access. This could be due to data being updated, validated, or replicated in the background.
  Data Locking: SAP uses locking mechanisms to prevent data inconsistencies. If a background job is processing data, it will lock that data until the job is completed.
  Long-Running Jobs: If the background job takes a long time to complete, it can lead to this error being triggered when other processes attempt to access the same data.
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait for the background job to complete. You can check the status of the job in transaction SM37 (Job Monitoring) to see if it is still running or if it has finished.
  Check Job Logs: If the job is taking too long, check the job logs for any errors or issues that might be causing delays.
  Job Management: If you have control over the background jobs, consider scheduling them during off-peak hours to minimize conflicts with other processes.
  Retry the Operation: Once the background job has completed, retry the operation that triggered the error.
  System Performance: If background jobs frequently take too long, consider reviewing system performance and optimizing the jobs or the underlying processes.
  
  Related Information:
  
  Transaction Codes: Use SM37 to monitor background jobs and SM21 to check system logs for any related issues.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide patches and updates.
  Documentation: Review the SAP MDG documentation for best practices on managing background jobs and data processing.
  
  If the issue persists even after the background job has completed, further investigation may be required to identify any underlying issues with the data or the configuration of the MDG system.