How To Fix CNV_DMC_MC_EXCEPTION189 - Cannot download template file; source structure &1 is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 189

• Message text: Cannot download template file; source structure &1 is empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_MC_EXCEPTION189 - Cannot download template file; source structure &1 is empty ?

  The SAP error message CNV_DMC_MC_EXCEPTION189 indicates that there is an issue with downloading a template file because the source structure specified is empty. This error typically occurs in the context of data migration or data conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools.
  Cause:
  
  
  Empty Source Structure: The primary cause of this error is that the source structure (the data structure from which you are trying to download the template) is not defined or is empty. This could happen if:
  
  The source system does not have any data in the specified structure.
  The mapping or configuration for the source structure is incorrect or incomplete.
  There is a misconfiguration in the data migration project.
  
  
  
  Incorrect Configuration: If the configuration settings for the data migration project are not set up correctly, it may lead to the system not being able to identify the source structure.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the source structure, leading to it being perceived as empty.
  
  
  Solution:
  
  
  Check Source Structure: Verify that the source structure is correctly defined and populated with data. Ensure that the relevant tables or data sources in the source system contain the expected data.
  
  
  Review Configuration: Go through the configuration settings in the Data Migration Cockpit or the relevant migration tool. Ensure that the source structure is correctly mapped and that all necessary settings are in place.
  
  
  Authorization Check: Ensure that the user executing the download has the necessary authorizations to access the source structure. If not, work with your SAP security team to grant the required permissions.
  
  
  Recreate the Template: If the source structure is indeed empty and you expect it to have data, you may need to investigate why it is empty. If it is a temporary issue, you might want to wait until the data is available and then try downloading the template again.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the Data Migration Cockpit for any specific instructions or troubleshooting steps related to this error.
  
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with details about the error, the context in which it occurred, and any relevant configuration settings.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on setting up source structures and downloading templates.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.