How To Fix NRSCNV177 - Field &1 not found in source structure

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 177

• Message text: Field &1 not found in source structure

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV177 - Field &1 not found in source structure ?

  The SAP error message NRSCNV177, which states "Field &1 not found in source structure," typically occurs during data migration or data transfer processes, particularly when using tools like the SAP Data Services or during the execution of data transfer programs. This error indicates that the system is unable to locate a specified field in the source structure that is expected to be present.
  Cause:
  
  Field Name Mismatch: The field name specified in the mapping or transformation does not match any field in the source structure. This could be due to a typo or a change in the source structure.
  Source Structure Changes: The source structure may have been modified, and the field in question has been removed or renamed.
  Incorrect Data Mapping: The mapping configuration may be incorrect, leading to the system looking for a field that does not exist in the source data.
  Version Mismatch: If the source system has been upgraded or changed, the expected fields may no longer be available.
  
  Solution:
  
  Verify Field Names: Check the field names in the source structure and ensure that they match exactly with what is specified in the mapping or transformation logic.
  Update Mapping: If the source structure has changed, update the mapping configuration to reflect the current structure of the source data.
  Check Source Structure: Use transaction codes like SE11 (Data Dictionary) to inspect the source structure and confirm the existence of the field.
  Consult Documentation: Review any relevant documentation or change logs to understand if there have been recent changes to the source structure.
  Testing: After making changes, perform a test run to ensure that the error is resolved and that data is being transferred correctly.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) can be useful for troubleshooting.
  SAP Notes: Check SAP Notes for any known issues related to this error message, as there may be specific patches or updates that address the problem.
  Data Migration Tools: Familiarize yourself with the data migration tools being used (e.g., SAP Data Services, LSMW) and their specific requirements for field mappings.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the NRSCNV177 error and implement a solution to resolve it.