How To Fix CNV20551521 - No entry in ASSHR though REFEX = 'X' for pers. no. &1

CNV20551521 - Overview

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 521

• Message text: No entry in ASSHR though REFEX = 'X' for pers. no. &1

Self-Explanatory Message

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CNV20551521 - Details

• The SAP error message CNV20551521 indicates that there is no entry in the ASSHR (Assignment History) table for a specific personnel number, even though the REFEX (Reference Existence) flag is set to 'X'. This typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  
  Missing Data: The personnel number specified does not have a corresponding entry in the ASSHR table. This could be due to incomplete data migration or missing historical records.
  Incorrect Configuration: The configuration settings for the migration process may not be set up correctly, leading to the absence of expected entries.
  Data Integrity Issues: There may be issues with the data integrity in the source system, where the expected records were never created or were deleted.
  
  
  Solution:
  
  Check Data in Source System: Verify that the personnel number exists in the source system and that it has the necessary historical data. Ensure that the