Serialize Item - Inventory Does Not Match with Serial Number Qty

Inventory Quantity (3) but Serial Number (4) when create Invoice

Checking Part:

1. Checking Stock Availability Report for that particular location, example location XYZ have 3 stock
2. Checking Trace Stock for that particular serial number, example item ABC have 4 serial number
3. Checking Stock Balance matching with Serial Number Balance in Location XYZ
   
   

After Checking:

If the serial number extra 1 quantity which is users do the serial number adjustment and manually add the serial number into system.

Correction Part:

To fix this, do the Serial Number Adjustment out to make the serial number balance and stock balance match.