You have chosen the char. "portfolio" without the char. "company code"

What causes this issue?

You chose the characteristic <DS:DE.RPORTB>portfolio</>, but not the
characteristic <DS:DE.BUKRS>company code</>.

System Response

The selected limit type can not be saved, as portfolios can only be
defined in conjunction with a company code.

How to fix this error?

Additionally choose the characteristic 'company code', or delete the
characteristic 'portfolio'.

Error message extract from SAP system. Copyright SAP SE.