How To Fix FSH_PP_MD112 - Header and X structure are different: expected &1 but received &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FSH_PP_MD - Message Class for PP Master Data

• Message number: 112

• Message text: Header and X structure are different: expected &1 but received &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FSH_PP_MD112 - Header and X structure are different: expected &1 but received &2 ?

  The SAP error message FSH_PP_MD112, which states "Header and X structure are different: expected &1 but received &2," typically occurs in the context of SAP's Production Planning (PP) or Material Management (MM) modules. This error indicates a mismatch between the expected structure of the data being processed and the actual structure of the data that has been received.
  Cause:
  
  
  Data Structure Mismatch: The error usually arises when the header data structure (the main data being processed) does not match the expected structure defined in the system. This can happen if:
  
  The data being sent to the function module or program is incomplete or incorrectly formatted.
  There is a version mismatch between the data being processed and the expected data structure.
  Custom modifications or enhancements have been made to the standard SAP structures, leading to discrepancies.
  
  
  
  Incorrect Data Mapping: If the data is being transferred from one system to another (e.g., through an interface), incorrect mapping of fields can lead to this error.
  
  
  Configuration Issues: Sometimes, configuration settings in the system may not align with the data being processed, leading to structural mismatches.
  
  
  Solution:
  
  
  Check Data Structures: Review the data structures involved in the process. Ensure that the header structure matches the expected structure defined in the SAP system. You can do this by:
  
  Using transaction codes like SE11 (Data Dictionary) to check the definitions of the structures.
  Comparing the expected structure (as indicated by the error message) with the actual data being sent.
  
  
  
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant function modules or programs to inspect the data being processed. This can help identify where the mismatch is occurring.
  
  
  Review Custom Code: If there are any custom developments or enhancements, review the code to ensure that it is correctly handling the data structures. Look for any changes that might have been made recently that could have introduced the error.
  
  
  Data Validation: Implement validation checks before sending data to ensure that it conforms to the expected structure. This can help catch issues early in the process.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or function module you are working with. There may be known issues or additional guidance available.
  
  
  SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant data samples.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE37 (Function Module), and SE80 (Object Navigator) for debugging and checking structures.
  SAP Notes: Search for SAP Notes related to the specific error message or the function module you are working with. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the FSH_PP_MD112 error in your SAP system.