How To Fix CNV_21538015 - Old and new date types &1 are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_21538 - Date Type Rename

• Message number: 015

• Message text: Old and new date types &1 are identical

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_21538015 - Old and new date types &1 are identical ?

  The SAP error message CNV_21538015 indicates that there is an issue with the date types being processed in a conversion or migration scenario. Specifically, the error message states that the old and new date types are identical, which means that the system is trying to convert a date type to itself, which is unnecessary and leads to this error.
  Cause:
  
  Identical Date Types: The most common cause of this error is that the source and target date types are the same. This can happen during data migration or conversion processes where the system is set to convert data from one format to another, but both formats are identical.
  Configuration Issues: There may be a misconfiguration in the data migration settings or mapping that leads to this situation.
  Data Mapping Errors: Incorrect mapping of fields in the migration tool can also lead to this error.
  
  Solution:
  
  Check Data Mapping: Review the mapping configuration in the migration tool to ensure that the source and target date types are correctly defined. Make sure that you are not trying to convert a date type to itself.
  Adjust Conversion Logic: If the date types are indeed the same, you may need to adjust the conversion logic to skip the conversion for those fields.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) to understand how to handle date type conversions properly.
  Testing: After making adjustments, perform a test run of the migration to ensure that the error does not occur again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling date type conversions.
  Migration Tools: Familiarize yourself with the specific migration tool you are using, as different tools may have different ways of handling data types.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the error CNV_21538015 and successfully complete your data migration or conversion process.