We set the products up as an individual products and then add them as addable related products. This way the spare can be bought by itself if needed...
No idea to be honest as never used options, additions and variants. Give BP a call and ask their advice on best way to achieve what your looking for....
I never use this, but I've just had a look and experienced the same error. I had a play around and it would appear that the error is being caused by...
Apologies for pulling up a 10 year old thread, but it was the closest I could find: We'd like to implement Loyalty Points, but only active on certain...
