How To Fix MA643 - Info structure & has an unsuitable structure

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 643

• Message text: Info structure & has an unsuitable structure

What causes this issue?

The info structure has an incorrect structure. It probably does not
contain exactly one key field from the domain MATNR and not exactly one
key field from the domain WERKS. These are strict prerequisites for the
calculation of the safety stock.

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?

Please choose a different info structure that fulfils these
requirements.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA643 - Info structure & has an unsuitable structure ?

  The SAP error message MA643 indicates that the information structure you are trying to use is not suitable for the operation you are attempting to perform. This error typically arises in the context of Material Management (MM) and is related to the configuration of the information structures used for reporting and analysis.
  Cause:
  
  Incorrect Configuration: The information structure may not be configured correctly for the type of data you are trying to analyze or report on.
  Missing Fields: The structure may be missing required fields or characteristics that are necessary for the operation.
  Incompatibility: The information structure may not be compatible with the data being processed, such as trying to use a structure designed for sales data with inventory data.
  Data Source Issues: The underlying data source may not be set up correctly, leading to issues when trying to access the information structure.
  
  Solution:
  
  Check Configuration: Review the configuration of the information structure in the SAP system. Ensure that it is set up correctly for the intended use.
  
  Use transaction code SIS to access the Information System and check the settings.
  
  
  Validate Fields: Ensure that all required fields and characteristics are included in the information structure. You may need to modify the structure to include necessary fields.
  Compatibility Check: Verify that the information structure is appropriate for the type of data you are working with. If necessary, create a new information structure that matches your data requirements.
  Data Source Verification: Check the data source associated with the information structure. Ensure that it is correctly configured and that the data is being populated as expected.
  Rebuild the Structure: If the structure is corrupted or misconfigured, consider rebuilding it or creating a new one based on the correct specifications.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SIS, MC.9, and MC.1 for reporting and analysis.
  Documentation: Refer to SAP documentation for detailed information on configuring and managing information structures.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific information structure you are using.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the MA643 error and implement a suitable solution.