Thanks for the comments.
I discovered yet another account group (8) in the BAS account plan that
comprises two types. What I have to do at the moment is to abandon the
account groups of multiple types and rather let their child accounts be
on the root level in gnucash. This is OK, I guess, but it
I am quite sure I have read a discussion a while ago about the
constraint of not being able to set more than one account type for an
account. The thing is that the standard BAS account plan, which is being
used in Sweden, has a top account (placeholder) which holds both equity
and liabilities. Its