How To Fix MDG_DT_DATA_MODEL123 - Activation job is already running for model &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_DT_DATA_MODEL - Messages for the Configuration Workbench Model Access API

• Message number: 123

• Message text: Activation job is already running for model &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_DT_DATA_MODEL123 - Activation job is already running for model &1 ?

  The SAP error message "MDG_DT_DATA_MODEL123 Activation job is already running for model &1" typically occurs in the context of SAP Master Data Governance (MDG) when there is an attempt to activate a data model that is already in the process of being activated. This can happen if a previous activation job has not yet completed or if there is a long-running job that is still in progress.
  Cause:
  
  
  Concurrent Activation Jobs: The most common cause is that an activation job for the specified data model is already running. This can happen if:
  
  A user or process has initiated an activation job, and it is still in progress.
  There is a system issue causing the job to hang or take longer than expected.
  
  
  
  Job Scheduling: If multiple users or processes are trying to activate the same data model simultaneously, it can lead to this error.
  
  
  System Performance: Performance issues in the SAP system can also lead to delays in job completion, causing subsequent activation attempts to fail.
  
  
  Solution:
  
  
  Check Job Status: 
  
  Go to transaction code SM37 (Job Monitoring) to check the status of the activation job for the specified data model. Look for jobs related to the model indicated by &1 in the error message.
  If you find a job that is still running, you may need to wait for it to complete.
  
  
  
  Terminate Long-Running Jobs: 
  
  If the job is stuck or taking too long, you may consider terminating it. Be cautious with this approach, as terminating jobs can lead to data inconsistencies.
  To terminate a job, select the job in SM37 and choose the option to cancel it.
  
  
  
  Retry Activation: 
  
  Once you have confirmed that no other activation jobs are running, you can retry the activation process for the data model.
  
  
  
  System Performance Check: 
  
  If this issue occurs frequently, it may be worth investigating the overall performance of the SAP system. Check for any performance bottlenecks or resource constraints.
  
  
  
  Consult Logs: 
  
  Review the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM37: Job Monitoring
  SLG1: Application Log
  MDGIMG: MDG Implementation Guide for configuration settings.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to MDG activation jobs.
  
  
  Documentation: Refer to the official SAP documentation for Master Data Governance for best practices and troubleshooting steps related to data model activation.
  
  
  By following these steps, you should be able to resolve the error and successfully activate the data model in SAP MDG.