I try to update an existing invoice to add new products with line item.
To begin and for practice I try to change the current product by an other (eg 4Kg with 12Kg)
So I use the action step (Find Product Quickbooks) ans search for “12Kg”:
And then I put the corresponding product information in the Update Invoice step like this:
When I test it I get this Error
Can you help me?
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