Question : Why system prompts ‘Nullable object must have a value’ when I edit the quantity to 2?
Possible Reason :
You’ve maintained promotion mix and match for this item, but didn’t maintain the total price.
Go to Point of Sale > Maintenance > Promotion Maintenance, edit the promotion and key in the total price for this mix and match promotion, then click on OK.
You will able to create the transaction with quantity 2 for this item and the promotion rule applied.
By : Julee 180801, Lay Swan 180815, P180823
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