Try to restart the wallet, does not look like a mint issue.
#cashu did I just get rugged? no sats anymore. https://mint.minibits.cash/Bitcoin is down? nostr:npub1fa789c2c57agz7v5w90yesvf3myd5jakjzgz28w7jl8fvqchy6nqlu6rn6
Discussion
This is cashu.me PWA on GrapheneOS, BTW. Yeah, I even rebooted. Very weird, I've not had any problems in any cashu app I've tried before this. Thanks for the reply. I guess I'll give it a few days before I try recovery.
nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg this one's yours :)
Tried connecting to umint, which suceeded and my old balance shows up again but get this error message. Hope this helps. Super bullish on ecash! 
cashu.me on desktop is also rugging me, LOL. When I add new mints my balance reappears but i get this error. Sorry I don't have Telegram... I've tried but cannot get it working on Linux, anyway, I'd prefer to do my tech support on nostr. Ideally there would be a Channel on noStrudel for cashu.me
Hooray! Funds restored! Thanks nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg
Though I switched them out of cashu.me pwa wallet for the time being.
I've fixed this bug last week!