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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Inability to Write Off...
Small and medium business | Business Central, N...
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Inability to Write Off Obsolete Material

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Posted on by JE-20081519-0 2,508
Hi:
 
We're having an issue, in writing off obsolete material.
 
The Engineering Department made some changes to an item.  But, unfortunately, it doesn't appear that the item number was changed.  And, there are currently quantities on component lines.
 
There is a quantity of 109 on component lines, and we don’t want to write those off.  These will be consumed, once the RPO is built and posted.
 
The quantity that we want to write off is 150.  We have already completed the Warehouse Item Journal Portion, without any issues.
 
The stock is, now, in the warehouse adjusting bin.  We can't complete the Item Journal Portion.  We attempted to write them off, about a couple of weeks ago, but were unable to do so.
 
The system will not trigger another Production Order for these items, and we need to build more.  The Production Order won’t trigger, because there is already “stock”.  This is the issue.
 
How do we, then, get a Production Order to generate?  Also, what is an RPO in Business Central supply chain?
 
Thanks!
 
John
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Dynamics 365 Business Central
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  • Verified answer
    Saif Ali Sabri Profile Picture
    Saif Ali Sabri 2,346 Super User 2025 Season 2 on at
    Inability to Write Off Obsolete Material

    My response was crafted with AI assistance, tailored to provide detailed and actionable guidance for your query.
    1. Inability to Write Off Obsolete Material

    From your description, the issue seems to stem from quantities on component lines of production orders and a misunderstanding of the stock's current status. The key is to properly manage the inventory quantities to distinguish the obsolete stock from the quantities required for production. Here's the approach:

    Steps to Write Off the Obsolete Quantity (150 units):

    1. Confirm the Bin Location and Inventory Status:

      • The obsolete stock is now in the warehouse adjusting bin, which is correct after the Warehouse Item Journal adjustment. Verify that the 150 obsolete units are isolated and not part of the 109 required units for the existing production order.

    2. Use the Item Journal to Write Off the 150 Units:

      • Navigate to Item Journals (Inventory > Items > Item Journals).
      • Select the item number in question.
      • Set the Posting Date and Document No. (for traceability).
      • Use the Entry Type as Negative Adjustment to reduce inventory.
      • Enter the Quantity as -150 to remove the obsolete material.
      • Ensure the correct Bin Code and Location Code are specified.
      • Post the journal.

      If the system is preventing the posting, confirm:

      • There are no reservations or allocations against the 150 units.
      • The item is not being consumed by a current production order or another process.

    Why This Step Resolves the Issue:

    This process will write off the obsolete stock, ensuring it is no longer counted as part of the on-hand inventory or available supply for production.

    2. Production Order Not Generating

    The root cause here is likely that the system sees the stock (including the 150 obsolete units) as "available," and therefore, it doesn’t trigger a new production order since available inventory satisfies demand.

    Solution: Adjust the Remaining Stock to Trigger the Production Order

    After writing off the 150 obsolete units, the system should recognize that the available inventory is insufficient to meet demand. Here’s how to proceed:

    1. Run the Planning Worksheet or Requisition Worksheet:

      • Navigate to Planning Worksheet or Requisition Worksheet.
      • Use the Calculate Plan action to generate suggested replenishment orders.
      • The system should detect the shortfall and suggest a new production order (or purchase order, depending on the replenishment method for the item).

    2. Check the Item Availability:

      • Verify the item’s Net Available Inventory via the Item Availability by Event page to ensure the system is correctly excluding the obsolete quantity after the write-off.

    3. Manually Create a New Production Order (if necessary):

      • If the planning worksheet does not automatically suggest a new order, manually create a production order by navigating to Production Orders and specifying the required quantity.

    3. What is RPO in Business Central Supply Chain?

    In Business Central, RPO commonly refers to a Released Production Order. Released Production Orders are production orders that have been scheduled and released for execution. This means the materials can now be consumed, and the production process can begin.

    If you're referencing RPOs in your question, the 109 units mentioned are likely allocated on the component lines of a Released Production Order. This is why they cannot be written off—these quantities are reserved for production.

    Summary of Actions to Resolve the Issue:

    1. Write Off the 150 Units:

      • Use the Item Journal to post a Negative Adjustment for the obsolete stock.
      • Ensure no reservations exist for these units.

    2. Trigger a New Production Order:

      • Run the Planning Worksheet or manually create a new production order if necessary.

    3. Verify Production Allocation:

      • Ensure the 109 units on the component lines remain allocated for the existing Released Production Order (RPO).

    By following these steps, you can resolve the inventory issue, write off the obsolete stock, and trigger the creation of a new production order.

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