It said that I have the wrong version, even though it is the same as the server.

1.Start mc with multimc
2. Try to join the server
3. Get the error message

I expect to join the server and play on it.

https://gist.github.com/Txnix/877a0404d0b4f3585822376d1a27654f

1.16.5
Fabric 0.11.7
1.9.9

FabricAPI
Origins