Flow CRM Tutorial dosent work

HEy i just want to get started with Vaadin, i downloaded the starter pack but i get this error in the webbrowser… what should i do?
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That’s weird. I just downloaded and started the Application class via IntelliJ and all worked just fine. Is there some other errors in the server/jvm console?

@quintessential-ibex we also discussed this in the German chat - it’s this issue https://github.com/vaadin/flow/issues/15105#issuecomment-1382124284

:+1: Tried with my Brave on Mac and there it is fine, so looks like it has something to do with that “C:”