How To Fix RSTRAN621 - Field &1 already exists in segment

RSTRAN621 - Overview

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 621

• Message text: Field &1 already exists in segment

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN621 - Field &1 already exists in segment ?

  The SAP error message RSTRAN621, which states "Field &1 already exists in segment," typically occurs during the data transfer process in SAP, particularly when working with data transfer processes (DTPs) or when loading data into InfoProviders. This error indicates that there is an attempt to add a field to a segment that already contains that field, which is not allowed.
  
  Cause:
  
  Duplicate Field Definition: The field that is being added to the segment already exists in the data structure. This can happen if the data source or transformation is incorrectly configured.
  Incorrect Mapping: The mapping between the source and target structures may be incorrectly defined, leading to an attempt to map the same field multiple times.
  Transformation Logic: If there are multiple transformations or data flows that reference the same field, it can lead to conflicts.
  
  
  Solution:
  
  Check Transformation Settings: Review the transformation settings in the Data Transfer Process (DTP) or the transformation itself. Ensure that