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For sales transactions, make sure the corresponding warehouse document (Material (Goods) Dispatch Note) has been created and posted. Otherwise, the warehouse inventory register is not updated, and the item may still appear in the warehouse balance and be included in Inventory Write-Off when using Fill by balance.
When you attempt to post the Inventory Write-Off, an error occurs if the item is included in the write-off but the corresponding warehouse movement has not been recorded. This can happen when the required Material (Goods) Dispatch Note is missing or has not been posted.
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To avoid the error, create and post the required Material (Goods) Dispatch Note before posting the Inventory Write-Off document.
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In some cases, if an Inventory Write-Off was posted but the corresponding warehouse document (Material (Goods) Dispatch Note) was not created, the quantity may remain in the Quantity to Disposal section.
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