Can"t get Wappler 4.0.4 to connect to GitHub

Following Wappler documentation & reading Forum reports about problems getting Wappler to connect to a Github I must post I"m at a standstill.

In my GitHub repository online Wappler IS given all permissions to access my repository.

I"ve given Full control of private repositories to Wappler.
I added the public key I created to my repository in the Wappler target setup but still generate an error like this when Wappler tries connecting

Verify public key failed for Mywapplerkey key is invalid. You must supply a key in OpenSSH public key format in [unknown repo]

Fingerprint SHA256:

I give the gihub url and username and keep getting a failed connection due to “INVALID URL”

Now I have a clue–

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