How To Fix SF337 - Maintain only SAP structures in an SAP system

SAP Error Message - Details

• Message type: E = Error

• Message class: SF - SAPfind: Message Texts

• Message number: 337

• Message text: Maintain only SAP structures in an SAP system

What causes this issue?

You tried to maintain a customer structure in an SAP system. Customer
structures can only be maintained in customer systems.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SF337 - Maintain only SAP structures in an SAP system ?

  The SAP error message SF337, which states "Maintain only SAP structures in an SAP system," typically occurs when there is an attempt to use or modify a structure that is not recognized as a standard SAP structure within the SAP system. This error is often related to the use of custom or non-standard structures in areas where only SAP-defined structures are permitted.
  Cause:
  
  Custom Structures: The error may arise when a custom structure is being used in a context that only allows standard SAP structures.
  Incorrect Configuration: There may be a configuration issue where a non-standard structure is mistakenly referenced in a standard SAP process.
  Data Dictionary Issues: If there are inconsistencies or errors in the Data Dictionary (e.g., a custom table or structure that is not properly defined), this error can occur.
  Transport Issues: If a transport request containing custom structures is incorrectly imported into the system, it may lead to this error.
  
  Solution:
  
  Check Structure Definitions: Verify that the structure you are trying to use is indeed a standard SAP structure. If it is a custom structure, consider whether it is appropriate for the context in which you are trying to use it.
  Use Standard Structures: If possible, modify your code or configuration to use standard SAP structures instead of custom ones.
  Review Configuration: Check the configuration settings in the relevant module to ensure that only standard structures are being referenced.
  Data Dictionary Maintenance: If you suspect a Data Dictionary issue, check the definitions of the structures and tables involved. Ensure that they are correctly defined and activated.
  Transport Management: If the error occurred after a transport, review the transport logs and ensure that all necessary objects were included and correctly imported.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or functionality you are working with to ensure compliance with standard practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the error is being triggered and gather more context about the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.