How To Fix CNV20400205 - Field &1-&2 is set to NOTUSE=' ' for the merge

CNV20400205 - Overview

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 205

• Message text: Field &1-&2 is set to NOTUSE=' ' for the merge

Self-Explanatory Message

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CNV20400205 - Details

• The SAP error message CNV20400205 indicates that during a data migration or conversion process, a specific field (identified by &1 and &2) is set to NOTUSE with a blank value (' '). This typically occurs in the context of data migration projects, especially when using SAP's tools for data conversion, such as the SAP S/4HANA Migration Cockpit or other data migration solutions.
  
  Cause:
  
  Field Configuration: The field in question is configured to be excluded from the merge process. This could be due to the field being marked as not used in the data mapping or transformation rules.
  Data Mapping Issues: There may be an issue in the mapping of source data to the target structure, where the field is not correctly defined or is intentionally left blank.
  Inconsistent Data: The source data may not contain valid values for the specified field, leading to it being set to NOTUSE.
  
  
  Solution:
  
  Check Field Configuration: Review the configuration of