How To Fix W_MD009 - No schedule line intervals could be determined (&1 days, &2 hours)

SAP Error Message - Details

• Message type: E = Error

• Message class: W_MD - Message Class for Merchandise Distribution

• Message number: 009

• Message text: No schedule line intervals could be determined (&1 days, &2 hours)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W_MD009 - No schedule line intervals could be determined (&1 days, &2 hours) ?

  The SAP error message W_MD009 indicates that the system was unable to determine any schedule line intervals for a given material or order. This typically occurs in the context of materials planning and scheduling, particularly when working with sales orders, purchase orders, or production orders.
  Cause:
  The error can arise due to several reasons, including:
  
  Missing or Incorrect Master Data: The material master data may not be set up correctly. This includes missing scheduling parameters or incorrect lead times.
  No Valid Source of Supply: There may be no valid source of supply for the material, such as a purchase order or production order that can fulfill the demand.
  Incorrect Configuration: The configuration settings for scheduling in the system may not be set up correctly, leading to the inability to calculate schedule lines.
  Planning Parameters: The planning parameters (like lot size, safety stock, etc.) may not be defined properly, which can affect the scheduling.
  Time Intervals: The time intervals defined for scheduling may not align with the requirements of the order or material.
  
  Solution:
  To resolve the W_MD009 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that all relevant data is correctly maintained, especially in the MRP (Material Requirements Planning) views.
  Ensure that the lead times, safety stock, and other relevant parameters are correctly defined.
  
  
  
  Review Source of Supply:
  
  Check if there are valid purchase orders, production orders, or stock available that can fulfill the demand for the material.
  Ensure that the source of supply is active and not blocked or inactive.
  
  
  
  Examine Scheduling Configuration:
  
  Review the scheduling configuration in the system (transaction code OMD0 for MRP settings) to ensure that it is set up correctly.
  Check if the scheduling parameters are appropriate for the material and the type of order.
  
  
  
  Adjust Planning Parameters:
  
  If necessary, adjust the planning parameters for the material to ensure that they align with the requirements of the order.
  
  
  
  Check Time Intervals:
  
  Verify the time intervals defined for scheduling in the system. Ensure that they are realistic and can accommodate the lead times required for the material.
  
  
  
  Run MRP:
  
  After making the necessary adjustments, run the MRP (transaction code MD01 or MD02) to see if the schedule lines can now be determined.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), OMD0 (MRP Settings), MD01 (MRP Run), MD02 (Single-item, Multi-level MRP).
  Documentation: Refer to SAP Help documentation for detailed information on MRP and scheduling.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management and planning.