Hi all!
I'm trying to configure sales tax in BC. I already set Tax posting setup, VAT Bus.Posting group, VAT Prod. Posting group, Tax group, jurisdictions and Tax details. Tried to create a sales order, and the taxes were calculated as expected. But, when preview posting the sales order, I get the following message:

This is the Tax Posting Setup:

In addition, I can't modify the first line, because I get an error:

If anyone could help me, would really appreciate it.
Thank you in advanced!