How To Fix /SAPAPO/DEPL_MESS326 - Earliest start of supplier lead time is &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DEPL_MESS -

• Message number: 326

• Message text: Earliest start of supplier lead time is &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DEPL_MESS326 - Earliest start of supplier lead time is &1 ?

  The SAP error message /SAPAPO/DEPL_MESS326 indicates that the earliest start date for a supplier lead time is not feasible based on the current planning parameters. This typically occurs in the context of Advanced Planning and Optimization (APO) when the system is trying to schedule a delivery or production order but finds that the lead time constraints cannot be met.
  Cause:
  
  Lead Time Configuration: The lead time for the supplier may be set incorrectly or is too long, causing the system to determine that the earliest possible start date is beyond the acceptable range.
  Planning Parameters: The planning parameters such as safety stock, reorder point, or other inventory management settings may not align with the lead time settings.
  Demand and Supply Mismatch: There may be a mismatch between the demand and the available supply, leading to scheduling issues.
  Calendar Settings: The calendar settings (working days, holidays) may not be configured correctly, affecting the calculation of lead times.
  Resource Availability: If the resources required for production or delivery are not available, it can push the start date further out.
  
  Solution:
  
  Review Lead Time Settings: Check the lead time settings for the supplier in the material master or the relevant planning book. Ensure that they are realistic and align with the actual supplier capabilities.
  Adjust Planning Parameters: Review and adjust the planning parameters to ensure they are set correctly. This includes safety stock levels, reorder points, and other relevant settings.
  Check Demand and Supply: Analyze the demand and supply situation to ensure that there is a balance. If there is excess demand, consider adjusting the forecast or increasing supply.
  Verify Calendar Settings: Ensure that the calendar settings are correct and that the system recognizes working days and holidays appropriately.
  Resource Planning: Check the availability of resources and ensure that they are scheduled correctly. If necessary, adjust the production schedule to accommodate resource availability.
  Run a New Planning Run: After making adjustments, run a new planning run to see if the issue is resolved.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/SDP94 (for planning book) or /SAPAPO/MC90 (for checking the planning run) to analyze the situation further.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation on lead time management and planning strategies in APO for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP APO for further assistance.