BTCN: Could not write filters to filterDB: mmap allocate error: cannot allocate memory

[rex4539]

iPhone 13
iOS 17.3

10:33:48.720 [INF] LNWL: Rescanned through block 00000000000000000000ecdac35cc2fa1b67564b174e8912ba323aaee89fff40 (height 724767)

10:34:21.333 [ERR] BTCN: Could not write filters to filterDB: mmap allocate error: cannot allocate memory

10:34:21.765 [ERR] LTND: Shutting down because error in main method: unable to determine if wallet is synced: database isn't correctly mapped

[hsjoberg]

It seems like lnd's neutrino bbolt database is bricked.
Go to settings -> Debug -> Stop lnd and delete neutrino fiiles (in the bottom). This will sync the chain block headers again from scratch.