Cause:
System shows the error ‘Lot No cannot be blank’ or ‘Lot no null’ message when user has not defined the lot number in the Purchase receipt item details.
Solutions:
Purchase receipt transaction is used to receive materials and services from Purchase orders.
User has to enter the lot number under which the received item will be stored. User has to enter the lot serial number under which the received item received will be stored. User should enter lot number and lot sl for each and every line items in receipt item details.