I tried NWC with Coinos and the message was getting balance. I waited some time then I tried LifPay and the message I got was connecting.
Discussion
I tried with Coinos and I saw they've been having problems. I was able to use Cashu.me NWC just fine though.
If you tried the second option maybe restart the app and try again as it might not be clearing the attempt.to talk to Coinos properly.