How To Fix PPH_MRP029 - Differences in control parameters for MRP Live and classic MRP exist

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 029

• Message text: Differences in control parameters for MRP Live and classic MRP exist

Self-Explanatory Message

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• What is the cause and solution for SAP error message PPH_MRP029 - Differences in control parameters for MRP Live and classic MRP exist ?

  The SAP error message PPH_MRP029 indicates that there are discrepancies between the control parameters set for MRP Live and those for classic MRP. This can occur when the settings for the Material Requirements Planning (MRP) processes are not aligned, leading to potential inconsistencies in planning results.
  Cause:
  
  Different Settings: The control parameters for MRP Live and classic MRP may have been configured differently. This includes settings related to planning strategies, lot sizing, and other MRP parameters.
  System Configuration: The system may have been updated or changed, leading to differences in how MRP Live and classic MRP are configured.
  Master Data Issues: Material master records may have different settings for MRP Live and classic MRP, causing the error to trigger.
  
  Solution:
  
  
  Review Control Parameters: Check the MRP control parameters for both MRP Live and classic MRP. Ensure that they are consistent across both planning methods. This can be done in the configuration settings of the SAP system.
  
  Transaction codes like OMMR (for MRP parameters) can be used to review and adjust settings.
  
  
  
  Align Settings: If discrepancies are found, align the settings for MRP Live and classic MRP. This may involve changing parameters in the configuration or updating the material master records.
  
  
  Check Material Master Data: Review the material master data for the affected materials. Ensure that the MRP views are consistent and that the settings for MRP Live and classic MRP are aligned.
  
  Use transaction code MM02 to modify the material master data.
  
  
  
  Consult Documentation: Refer to SAP documentation or notes related to MRP Live and classic MRP for any specific guidelines or best practices that may help in resolving the discrepancies.
  
  
  Testing: After making changes, perform a test run of the MRP process to ensure that the error does not reoccur and that the planning results are as expected.
  
  
  Related Information:
  
  MRP Live: This is a newer, more efficient version of MRP that leverages the HANA database for faster processing and real-time planning.
  Classic MRP: The traditional MRP process that has been used in SAP systems for many years.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP run), MD02 (MRP run for single material), and MD04 (Stock/Requirements List) for further analysis.
  
  By following these steps, you should be able to resolve the PPH_MRP029 error and ensure that your MRP processes are functioning correctly.