If this message appears, the user will need to check various areas of the system to see what is prompting this message.
Does the stock code have any physical stock? There needs to be zero stock to allow the record to be made inactive.
Are there any deliveries to update on the stock record?
Is there any allocated stock or unallocated orders containing this item?
Are there any orders on back order for this item?
Are there any orders in the batch that are using this stock code?
Are there any outstanding works orders that contain this stock code?
Are there any stock movements in the batch screen?
Is there a stock item has been marked as superseded by the stock code you are trying to mark as inactive?