Weird, that should work with existing profiles as well. Somebody from our team will reach out to troubleshoot this.

Hello Yesyes, sorry to hear that zaps aren't working for you! Do you mind answering a few questions? We would like to reproduce this problem. Are you trying to buy sats to an account while signed in with an npub? If so, I recommend signing in with your nsec since we don't support any wallet activity...