pac solution export - fails when Power BI artifacts are incuded in solution

[AraneusPL]

I'm using pac tool to export the solution from my Power Platform environment. Except of standard artifacts like flows or apps the solution contains the Power BI components like reports and datasets. The command is working fine with my organizational account. The issue is when I try to do it using the service principal account (application id and client secret) which is mapped to application user in my PP environment. In this case the following error message is reported by the CLI:

Connected to... XXXXX
Connected as xxxxxx-xxxx-xxxx-xxxx-xxxxx

Starting Solution Export...
Microsoft PowerPlatform CLI
Version: 1.25.2+g1c4a1b8
Online documentation: https://aka.ms/PowerPlatformCLI
Feedback, Suggestions, Issues: https://github.com/microsoft/powerplatform-build-tools/discussions

Error: That action didn't work out, to keep going upgrade your Power BI account on a free trial.
    That action didn't work out, to keep going upgrade your Power BI account on a free trial.

The error message says that there should be a license assigned but assigning the licences to app registration is not possible. As the export command will become part of the AzureDevops pipeline I cannot use the organizational account anymore.