How To Fix /SCDL/CHM_DF_CHECKS051 - Data supplied for method &1 is not of the expected structure

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCDL/CHM_DF_CHECKS -

• Message number: 051

• Message text: Data supplied for method &1 is not of the expected 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.

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 /SCDL/CHM_DF_CHECKS051 - Data supplied for method &1 is not of the expected structure ?

  The SAP error message /SCDL/CHM_DF_CHECKS051 indicates that there is an issue with the data structure being supplied to a method in the SAP system. This error typically arises when the data being passed does not match the expected format or structure defined in the method's interface.
  Cause:
  
  Data Structure Mismatch: The data being passed to the method does not conform to the expected structure. This could be due to missing fields, incorrect data types, or additional fields that are not recognized.
  Incorrect Mapping: If the data is being mapped from one structure to another, there may be an error in the mapping logic that leads to an incorrect structure.
  Changes in Data Model: If there have been recent changes to the data model or method definitions, the calling code may not have been updated accordingly.
  Configuration Issues: Sometimes, configuration settings in the SAP system may lead to unexpected data structures being generated.
  
  Solution:
  
  Check Method Definition: Review the method definition to understand the expected data structure. Ensure that the data being passed matches this structure.
  Validate Input Data: Before calling the method, validate the input data to ensure it meets the expected format. This can include checking for required fields, data types, and any constraints.
  Debugging: Use debugging tools in SAP to trace the execution and identify where the data structure is being altered or incorrectly populated.
  Update Mapping Logic: If the data is being transformed or mapped, ensure that the mapping logic is correct and aligns with the current data model.
  Consult Documentation: Refer to the SAP documentation or any relevant notes that may provide insights into changes or known issues related to the method in question.
  Testing: After making changes, thoroughly test the method with various data inputs to ensure that it handles all expected scenarios correctly.
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to the specific method or error message. SAP frequently releases notes that address known issues or provide guidance on best practices.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Version Compatibility: Ensure that you are using compatible versions of SAP components, as discrepancies can sometimes lead to unexpected behavior.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.