How To Fix PPC1DM301 - Internal error: incorrect combination IF_HIERARCH and IF_MODE

SAP Error Message - Details

• Message type: E = Error

• Message class: PPC1DM - PP Backflush: Database Management and Communication

• Message number: 301

• Message text: Internal error: incorrect combination IF_HIERARCH and IF_MODE

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 PPC1DM301 - Internal error: incorrect combination IF_HIERARCH and IF_MODE ?

  The SAP error message PPC1DM301, which states "Internal error: incorrect combination IF_HIERARCH and IF_MODE," typically indicates an issue related to the configuration or usage of the planning functions in SAP, particularly in the context of SAP Integrated Business Planning (IBP) or SAP Advanced Planning and Optimization (APO).
  Cause:
  
  Incorrect Configuration: The error may arise from an incorrect configuration of the planning hierarchy or mode settings in the planning function. This could be due to mismatched settings in the planning area or the planning function itself.
  Data Inconsistency: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the master data or planning data.
  Version Issues: Sometimes, the error can be related to version compatibility issues, especially if there have been recent updates or changes in the system.
  Custom Code: If there are custom enhancements or modifications in the planning functions, they might not be handling the hierarchy and mode combinations correctly.
  
  Solution:
  
  Check Configuration: Review the configuration of the planning function and ensure that the hierarchy (IF_HIERARCH) and mode (IF_MODE) settings are correctly defined and compatible with each other.
  Validate Data: Ensure that the master data and planning data are complete and consistent. Check for any missing entries or discrepancies that could lead to this error.
  Review Planning Area: Make sure that the planning area is correctly set up and that the relevant characteristics and key figures are properly defined.
  Debugging: If you have access to debugging tools, you can trace the execution of the planning function to identify where the error occurs. This may provide insights into the specific combination causing the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the software you are using. There may be known issues or patches available that address this error.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. You can search for the error code in the SAP Support Portal.
  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.
  Training and Documentation: Ensure that users involved in planning functions are adequately trained and have access to documentation that outlines the correct usage of hierarchies and modes in SAP.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the PPC1DM301 error in your SAP system.