How To Fix TG668 - Merge type & is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 668

• Message text: Merge type & is not supported

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 TG668 - Merge type & is not supported ?

  The SAP error message TG668, which states "Merge type & is not supported," typically occurs in the context of data merging operations, particularly when working with SAP BW (Business Warehouse) or SAP HANA. This error indicates that the merge type specified in your operation is not recognized or supported by the system.
  Cause:
  
  Unsupported Merge Type: The merge type you are trying to use is not valid or not supported by the version of SAP you are using.
  Configuration Issues: There may be configuration issues in your data model or in the settings of the InfoProvider.
  Data Source Issues: The data source you are trying to merge may not be compatible with the merge operation you are attempting.
  Version Compatibility: The merge type may be supported in a newer version of SAP but not in the version you are currently using.
  
  Solution:
  
  Check Merge Type: Verify the merge type you are using. Ensure that it is a valid and supported type in your SAP environment. Refer to the SAP documentation for a list of supported merge types.
  Review Configuration: Check the configuration of your InfoProvider and ensure that it is set up correctly for the merge operation you are trying to perform.
  Update SAP Version: If the merge type is supported in a newer version of SAP, consider upgrading your system to the latest version.
  Consult SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error. SAP frequently updates its documentation and provides fixes for known issues.
  Testing: If possible, test the merge operation with a different, supported merge type to see if the issue persists.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with details about the error, the merge type you are using, and the context in which the error occurs.
  
  Related Information:
  
  SAP Documentation: Always refer to the official SAP Help Portal for the most accurate and detailed information regarding error messages and their resolutions.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Resources: Consider SAP training resources or courses that cover data modeling and merging operations in SAP BW or HANA to better understand the capabilities and limitations of the system.
  
  By following these steps, you should be able to identify the cause of the TG668 error and implement a suitable solution.