I've installed Option Types for 2.3.1. I'm looking for a mod or best way to prevent the cart from adding a product more than once when the attribute is changed.
If I add product 1 with attribute AAAA - then cart should be = product 1 QTY 1 with attribute AAAA
Next if I add the same product but change the attribute to BBBB then only update the quantity and change the attribute.
product 1 QTY 2 with attribute BBBB
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Force product to take only one attribute.
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