How To Fix /SMB/CONT_RESTRUCT027 - No source key field mapped to target key field &1 of file &2

/SMB/CONT_RESTRUCT027 - Overview

• Message type: E = Error

• Message class: /SMB/CONT_RESTRUCT -

• Message number: 027

• Message text: No source key field mapped to target key field &1 of file &2

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 /SMB/CONT_RESTRUCT027 - No source key field mapped to target key field &1 of file &2 ?

  The SAP error message /SMB/CONT_RESTRUCT027 No source key field mapped to target key field &1 of file &2 typically occurs during data migration or transformation processes, particularly when using the SAP Data Migration or SAP BusinessObjects Data Services (BODS). This error indicates that there is a mismatch in the mapping of key fields between the source and target data structures.
  
  Cause:
  
  Missing Mapping: The key field in the target structure does not have a corresponding source key field mapped to it.
  Incorrect Configuration: The mapping configuration may be incorrect or incomplete, leading to the absence of a source key field for the specified target key field.
  Data Structure Changes: Changes in the data structure of either the source or target can lead to mismatches in expected key fields.
  File Format Issues: If the data is being imported from a file, the file may not be formatted correctly, or the expected key fields may not be