How To Fix CNV21500029 - Type of data unknown for &1 (structure &2).

CNV21500029 - Overview

• Message type: E = Error

• Message class: CNV21500 - Messages for HR conversions basis

• Message number: 029

• Message text: Type of data unknown for &1 (structure &2).

Self-Explanatory Message

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CNV21500029 - Details

• The SAP error message CNV21500029 indicates that there is an issue with the data type being processed in a conversion or migration scenario. Specifically, it states that the type of data is unknown for a particular field (represented by &1) in a specified structure (represented by &2). This error typically arises during data migration processes, such as when using the SAP S/4HANA Migration Cockpit or other data conversion tools.
  
  Cause:
  
  Unknown Data Type: The system encountered a field in the data structure that it does not recognize or cannot map to a known data type. This can happen if the field is not defined correctly in the source system or if there are discrepancies in the data model.
  Inconsistent Data Model: The source and target systems may have different data models, leading to fields that exist in one system but not in the other.
  Custom Fields: If there are custom fields in the source