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

SAP Error Message - Details

• 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

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551521 - No entry in ASSHR though REFEX = 'X' for pers. no. &1 ?

  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 ASSHR table is populated correctly.
  Review Migration Settings: Check the migration settings and ensure that the REFEX flag is being set correctly. If necessary, adjust the settings to ensure that the migration process captures all relevant data.
  Data Mapping: Ensure that the mapping of data from the source to the target system is correct. This includes checking that all necessary fields are being transferred and that there are no discrepancies.
  Manual Entry: If the data is missing and cannot be retrieved from the source system, you may need to manually create the necessary entries in the ASSHR table for the personnel number in question.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using. There may be specific guidelines or known issues related to this error message.
  
  Related Information:
  
  ASSHR Table: This table stores assignment history data for personnel numbers in SAP. It is crucial for tracking changes in employee assignments over time.
  REFEX Flag: This flag indicates whether a reference entry exists for the personnel number. If it is set to 'X', the system expects to find corresponding entries in the ASSHR table.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the migration logs for additional details on the error and any related warnings or errors that may provide context.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.