When creating an Inventory Write-Off and using the Fill by balance option, items may appear in the document even though they are not physically available in stock.
For example, a company purchased 5 units of an item, and later all 5 units were fully sold. As a result, the actual stock balance of this item is zero.

However, when creating an Inventory Write-Off document to write off other materials, this item is still automatically pulled into the document lines when using the Fill by balance option, even though there is no physical stock available.

This behavior is related to warehouse settings. Please check if the Separate Inventory and Financial Documents option is enabled.

When the Separate Inventory and Financial Documents option is enabled, the system does not write off items from the warehouse (stock) registers.
To ensure that the item is properly written off from inventory registers and does not appear in the Inventory Write-Off document, an additional Material Dispatch Note must be created.
Go to Warehouse module - Warehouse Documents - Material Dispatch Note, and create a new document.

Fill in the Company field and select the required Warehouse on the main tab.

On the Inventory tab, specify the item and the quantity of goods sold. Save and post the document.

Then proceed with the Inventory Write-Off. The sold items will no longer appear in the Inventory Write-Off document.

In such cases, the system may block operations (e.g., Write-Off) due to lack of financial availability.
Navigate Warehouse - Reports - Stock Balance (by Warehouse)

Top Section (Stock Balance)
Data source:
This report reflects physical stock in the warehouse (e.g., 100 units).
However:
If no stock exists in the financial register, the operation cannot be completed.
Typical reasons:
Common document types:
This helps identify which document caused the discrepancy.
This section is based on two registers:
In the current example, the user can verify that a financial write-off was performed (Inventory Write-Off for 100 units), while no corresponding warehouse document (Material Dispatch Note) was created. As a result, the quantity of 100 is reflected in the Quantity to Disposal column.
And if Material Dispatch Note will be correctly generated, report will not show any outstanding balances:

Discrepancies occur due to differences between registers and document postings.
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