How To Fix CNV551 - The fields &1-&2 and &3-&4 are already assigned

CNV551 - Overview

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 551

• Message text: The fields &1-&2 and &3-&4 are already assigned

Self-Explanatory Message

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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.

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CNV551 - Details

• The SAP error message CNV551 indicates that there is a conflict in the assignment of fields during a data migration or conversion process. This error typically arises when two sets of fields are trying to be assigned to the same target field or when there is an overlap in the mapping of fields.
  
  Cause:
  
  Field Overlap: The fields specified in the error message are already assigned to other fields, leading to a conflict.
  Incorrect Mapping: During the data migration process, the mapping of source fields to target fields may have been incorrectly defined, causing multiple source fields to point to the same target field.
  Duplicate Assignments: There may be duplicate entries in the mapping configuration, where the same source fields are being assigned multiple times.
  
  
  Solution:
  
  Review Field Assignments: Check the mapping configuration for the fields mentioned in the error message. Ensure that each source field is uniquely assigned to a target field without overlaps.
  Remove Duplicates: