This behavior typically occurs when the Requisition Worksheet is not properly recognizing the supply from existing Purchase Orders due to missing or mismatched planning parameters.
Here are the most common causes and how to resolve them:
1. Reordering Policy Setup
If the item uses a Fixed Reorder Quantity or Maximum Quantity policy, the system may ignore open supply if the inventory + supply is still below the reorder point.
✅ Check your item or SKU’s Reordering Policy and adjust reorder point or modify the policy (e.g., switch to Lot-for-Lot if more appropriate).
2. Planning Parameters
Make sure the following are properly set:
Safety Stock Quantity
Reorder Point
Lead Time Calculation
Include Inventory = True
Include Purchase Orders = True
These can be found on the Item Card or Stockkeeping Unit (SKU) level.
3. Planning Flexibility
If the Purchase Order line has its Planning Flexibility set to None, Business Central will not consider it for planning.
✅ Set Planning Flexibility to "Unlimited" on the PO line for it to be included in future planning runs.
4. Timing Issue (Due Date Misalignment)
The system may disregard the PO if its Expected Receipt Date is after the demand date.
✅ Ensure your PO delivery dates align with the demand requirement dates.
To troubleshoot, try using Order Tracking from the Item or Requisition Worksheet to confirm how supply and demand are being matched.
If all settings are correct and the issue persists, you might need to check if customizations or extensions are interfering with planning logic.
✅ Mark this answer as verified if it helps you.
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