How To Fix DMC_DTL121 - No selection parameter has been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_DTL - Messages for DMC data transfer layer

• Message number: 121

• Message text: No selection parameter has been defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_DTL121 - No selection parameter has been defined ?

  The SAP error message DMC_DTL121: No selection parameter has been defined typically occurs in the context of Data Management and Data Migration processes within SAP systems, particularly when using tools like SAP Data Services or SAP S/4HANA Migration Cockpit.
  Cause:
  This error indicates that a required selection parameter has not been defined in the data migration or data management process. Selection parameters are essential for filtering or specifying the data that needs to be processed or migrated. The absence of these parameters means that the system does not know which data to work with, leading to this error.
  Solution:
  To resolve the DMC_DTL121 error, you can follow these steps:
  
  
  Check Selection Parameters: 
  
  Go to the relevant data migration or data management task where the error occurred.
  Ensure that all necessary selection parameters are defined. This may include filters for specific data sets, such as company codes, document types, or other relevant criteria.
  
  
  
  Define Parameters:
  
  If you find that parameters are missing, define them according to the requirements of your data migration or management task. This may involve specifying values in the selection screen or configuration settings.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or help resources related to the specific tool you are using (e.g., SAP Data Services, SAP S/4HANA Migration Cockpit) for guidance on how to properly set up selection parameters.
  
  
  
  Test the Configuration:
  
  After defining the necessary parameters, run a test to ensure that the error does not reoccur. Monitor the logs for any additional issues that may arise.
  
  
  
  Consult SAP Support:
  
  If the issue persists after checking and defining the selection parameters, consider reaching out to SAP Support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  Training and Documentation: Ensure that your team is familiar with the data migration tools and their configuration requirements. Proper training can help prevent such errors in the future.
  
  By following these steps, you should be able to resolve the DMC_DTL121 error and successfully define the necessary selection parameters for your data management or migration tasks.