Cannot start Wappler => “Could not verify user subscription.”

Hello,
I want to try Wappler on my Linux Mint 19.3 machine.
I downloaded latest Wappler version 5.2.2 and after run it want to Login with browser.
I give my email and authorization code but when I want to open Wappler again it show me window with text: “Could not verify user subscription.”
But in my Wappler profile I see that I have active subscription:

So how can I start it?

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