How To Fix CRM_MKTTG_PF_SELECTI020 - The selected deduplication method '&1' is not implemented

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKTTG_PF_SELECTI - CRM Marketing: Messages for Target Group Selection

• Message number: 020

• Message text: The selected deduplication method '&1' is not implemented

What causes this issue?

You selected a deduplication method for this profile for which there is
no corresponding implementation in the system.
The deduplication is therefore carried out using the business partner
ID. This selection is used by default when a deduplication method is not
specified.

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?

Implement the corresponding logic for the deduplication object in the
method DETERMINATION_BY_DEDUP_METHOD in BAdI CRM_MKT_BP_DETERMINE.

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 CRM_MKTTG_PF_SELECTI020 - The selected deduplication method '&1' is not implemented ?

  The SAP error message CRM_MKTTG_PF_SELECTI020 indicates that the selected deduplication method is not implemented in the system. This error typically arises in the context of marketing or customer relationship management (CRM) processes, particularly when dealing with data deduplication in marketing campaigns or customer data management.
  Cause:
  
  Unimplemented Deduplication Method: The deduplication method you are trying to use is not available or has not been implemented in your SAP system. This could be due to a configuration issue or because the method is not part of the current system version.
  Incorrect Configuration: The deduplication method may not be correctly configured in the system settings, leading to the error when attempting to use it.
  Missing Customization: If the deduplication method is a custom implementation, it may not have been developed or activated in the system.
  
  Solution:
  
  Check Configuration: Verify the configuration settings for deduplication methods in your SAP system. You can do this by navigating to the relevant customizing transaction (e.g., SPRO) and checking the settings under Marketing or CRM.
  Implement the Method: If the deduplication method is indeed required but not implemented, you may need to implement it. This could involve custom development or activating a standard method if available.
  Consult Documentation: Review the SAP documentation or release notes for your version to see if there are any specific instructions or prerequisites for the deduplication methods.
  Contact SAP Support: If you are unable to resolve the issue through configuration or implementation, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system setup and version.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as newer versions may include additional deduplication methods or fixes for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SE80 (Object Navigator), and SE37 (Function Module) to explore and modify configurations.
  SAP Notes: Search for SAP Notes related to the error message or deduplication methods in the SAP Support Portal. These notes may provide specific fixes or workarounds.
  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.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.