How To Fix CNV_20320_CHECK004 - No activity type merge found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20320_CHECK - Messages for check functions (Activity Types merge)

• Message number: 004

• Message text: No activity type merge found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20320_CHECK004 - No activity type merge found ?

  The SAP error message CNV_20320_CHECK004: No activity type merge found typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a defined merge for the specified activity types in the migration process.
  Cause:
  
  Missing Configuration: The error often arises when there is no defined merge strategy for the activity types involved in the migration. This can happen if the configuration for merging activity types has not been set up correctly in the system.
  Incorrect Mapping: If the mapping of activity types from the source system to the target system is not correctly defined, the system may not find a corresponding merge.
  Data Inconsistencies: There may be inconsistencies or missing data in the source system that prevent the successful merging of activity types.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant configuration settings in your SAP system and ensure that the merge strategy for activity types is defined. This can usually be found in the customizing settings under the relevant module (e.g., Controlling).
  Ensure that the activity types you are trying to merge are correctly configured in the system.
  
  
  
  Review Mapping:
  
  Verify the mapping of activity types from the source to the target system. Ensure that all necessary mappings are defined and that they correspond correctly to the activity types in the target system.
  
  
  
  Data Validation:
  
  Check the data in the source system for any inconsistencies or missing entries related to the activity types. Ensure that all required data is present and correctly formatted.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or migration guides specific to your version of SAP S/4HANA for any additional steps or considerations that may be relevant to your migration scenario.
  
  
  
  Use Transaction Codes:
  
  You can use transaction codes like SCC1 for client copy or SCC4 for client settings to check if the activity types are correctly set up in the system.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and migration scenario.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools and guidelines for data migration.
  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.