How To Fix CNV_20320_CHECK028 - No implicit activity type merge exists

CNV_20320_CHECK028 - Overview

• Message type: E = Error

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

• Message number: 028

• Message text: No implicit activity type merge exists

Self-Explanatory Message

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CNV_20320_CHECK028 - Details

• The SAP error message CNV_20320_CHECK028 with the description "No implicit activity type merge exists" 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 suitable implicit merge for the specified activity types in the context of the migration.
  
  Cause:
  
  Activity Type Configuration: The error often arises when there are discrepancies or missing configurations related to activity types in the source or target system. This can happen if the activity types in the source system do not match those in the target system.
  Data Mapping Issues: If the mapping of activity types between the source and target systems is not correctly defined, the system may not be able to perform the necessary merges.
  Customizations: Custom activity types that are not recognized by the migration tool can also lead to this error.
  
  
  Solution:
  
  
  Check Activity Type Configuration:
  
  Verify