How do I link processes to make the product system without having providers?

Question

I am using my own data. I do not have provider data. How can I make the product system?

Answer 1

Do you mean you didn't enter the default providers or you do not have a process delivering the product you need? If the latter, then you cannot complete the supply chain, but you can of course still calculate your system (in difference to e.g. SimaPro). For the first, you can of course enter then a provider or leave it blank if the product is produced by one process only.