How To Fix PPH_MRP158 - Creation of schedule lines not supported in MRP Live on HANA

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_MRP -

• Message number: 158

• Message text: Creation of schedule lines not supported in MRP Live on HANA

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_MRP158 - Creation of schedule lines not supported in MRP Live on HANA ?

  The SAP error message PPH_MRP158, which states "Creation of schedule lines not supported in MRP Live on HANA," typically occurs in the context of Material Requirements Planning (MRP) when using the MRP Live functionality in SAP S/4HANA. This error indicates that the system is unable to create schedule lines for certain materials or scenarios when running MRP Live.
  Cause:
  
  MRP Live Limitations: MRP Live in SAP S/4HANA has certain limitations compared to the traditional MRP. One of these limitations is that it does not support the creation of schedule lines for certain types of materials or planning scenarios.
  Material Master Settings: The material master settings may not be configured to allow for schedule line creation. This can include settings related to MRP type, procurement type, or other relevant fields.
  Planning Parameters: The planning parameters set in the MRP configuration may not be compatible with schedule line creation.
  Custom Logic: If there are custom developments or enhancements in the MRP process, they may interfere with the standard behavior of MRP Live.
  
  Solution:
  
  Check MRP Type: Ensure that the MRP type assigned to the material allows for schedule line creation. For example, materials with MRP type "PD" (MRP) typically support schedule lines.
  Review Material Master Data: Verify the material master data for the affected materials. Check the relevant views (e.g., MRP view) to ensure that all necessary fields are correctly filled out.
  Use Classic MRP: If schedule line creation is essential for your process and MRP Live does not support it, consider running the classic MRP (transaction MD01) instead of MRP Live for those materials.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this issue. SAP frequently releases updates and notes that provide fixes or workarounds for known issues.
  Adjust Planning Parameters: Review and adjust the planning parameters in the MRP configuration to ensure they align with the requirements for schedule line creation.
  Custom Development Review: If there are custom developments in place, review them to ensure they do not conflict with the standard MRP Live functionality.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for MRP Live in S/4HANA for detailed information on its capabilities and limitations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect it may be a bug or require deeper investigation.
  
  By following these steps, you should be able to address the PPH_MRP158 error and ensure that your MRP processes function as intended.