1. in stock adjustment form, select the item, stock OUT ALL the serial no., so that the serial no. is nomore in system
2. But if you check the stock inquiry the physical stock qty is become negative, so try to adjust it and make it zero QTY
3. The last adjustment is keyin the actual QTY and serial no.
Please keyin 2 different day for step1,step2, and another day for step 3