Looks like I've hit this issue as well: Incident Identifier: C97E0AB5-B0A8-4AF8-B382-85FCF3621788 Distributor ID: com.apple.TestFlight Hardware Model: iPhone17,1 Process: AirBase [2326] Path: /private/var/containers/Bundle/Application/07972195-B3A6-488C-B86F-6DBA88BE3B9F/AirBase.app/AirBase Identifier: uk.ac.erg.AirBase Version: 1.0 (10) AppStoreTools: 16C5031b AppVariant: 1:iPhone17,1:18 Beta: YES Code Type: ARM-64 (Native) Role: Foreground Parent Process: launchd [1] Coalition: uk.ac.erg.AirBase [1280] Date/Time: 2024-12-15 20:12:25.8727 +0000 Launch Time: 2024-12-15 20:12:25.8707 +0000 OS Version: iPhone OS 18.1.1 (22B91) Release Type: User Baseband Version: 1.11.01 Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGKILL) Exception Subtype: KERN_PROTECTION_FAILURE at 0x00000001eb3240e0 Exception Codes: 0x0000000000000002, 0x00000001eb3240e0 VM Region Info: 0x1eb3240e0 is in 0x1eb324050-0x1eb368050; bytes after start: 144 bytes before end: 278383 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL mapped file 1eb324000-1eb324050 [ 80] r--/rw- SM=COW Object_id=4fb54b9c ---> __TPRO_CONST 1eb324050-1eb368050 [ 272K] r--/rw- SM=COW /usr/lib/dyld mapped file 1eb368050-1eb36c000 [ 16K] r--/rw- SM=COW Object_id=4fb54b9c Termination Reason: <0x2A> 2 Triggered by Thread: 0 Thread 0 Crashed: 0 dyld 0x00000001ad271500 lsl::PreallocatedAllocatorLayout<278528ull>::init(char const**, char const**, void*) + 436 (Allocator.h:537) 1 dyld 0x00000001ad26abcc start + 1960 (dyldMain.cpp:1289) Thread 0 crashed with ARM Thread State (64-bit): x0: 0x2010003030100000 x1: 0x0000000fffffc0d0 x2: 0x0000000000000004 x3: 0x00000001ad23f829 x4: 0x0000000000000000 x5: 0x0000000000000000 x6: 0x0000000000000000 x7: 0x0000000000000000 x8: 0x2010003030100000 x9: 0x2010003030100000 x10: 0x000000016d72bdfd x11: 0x00000001ad2ac240 x12: 0x0000000000000050 x13: 0x0000000000000044 x14: 0x0000000000052010 x15: 0x0000000000000000 x16: 0x0000000000000000 x17: 0x0000000000000000 x18: 0x0000000000000000 x19: 0x0000000184a64000 x20: 0x000000016d72bb48 x21: 0x000000016d72baf0 x22: 0x00000001eb324050 x23: 0x000000016d72b7d8 x24: 0x0000000fffffc10c x25: 0x0000000000000000 x26: 0x0000000000000000 x27: 0x0000000000000000 x28: 0x0000000000000000 fp: 0x000000016d72b870 lr: 0xd2670001ad271380 sp: 0x000000016d72b7d0 pc: 0x00000001ad271500 cpsr: 0x60000000 esr: 0x92000047 (Data Abort) byte write Translation fault Binary Images: 0x1026d4000 - 0x10287ffff main_executable_path_missing arm64 <f9102f12497c31e69e453173208ad410> /main_executable_path_missing 0x1ad237000 - 0x1ad2ba99f dyld arm64e <3060d36a16ce3c3a92583881459f5714> /usr/lib/dyld EOF Restarting the device cleared it, will comment if it re-occurs. Mark