Interesting. I wonder if the LSP closed it for some reason. Might not be a storage problem then. If you wanted to send logs to team@mutinywallet.com we would be happy to take a look.
FWIW you should be able to export state on iOS and move it to android. nostr:npub1t0nyg64g5vwprva52wlcmt7fkdr07v5dr7s35raq9g0xgc0k4xcsedjgqv has hundreds of zaps/payments and zero channel closures over the last 30 days, much more performant there.