Mac mini crashed and shut down

Returned to my office computer ( 2018 Intel Mac mini MacOS 15.2) to find it shut down. On restart got the crash menu and report error message. Worried that it may have been a Mail inbox item. Does anyone know what may have caused this? Here is the error message:

panic(cpu 1 caller 0xfffffff027953ce0): SEP Panic: :SEPD/intr: 0x0000b702 0x00028a0b 0x000096cd 0x00004a6d 0x00000000 0x00000000 0x00000000 0x00000000 [rngi]

Panic app vers: 2772.60.32

Panic app UUID: EE047CAA-D981-3F78-A606-4603BA710C63

Shared cache vers: 2772.60.32

Shared cache UUID: 9F98912F-5A70-3D5C-ACDE-64D578C7CFD6

Root task tag: (root@zkcpm.p1l.plx.sd.apple.com)

Root task build time: Nov 15 2024 17:57:05

Root task vers: AppleSEPOS-2772.60.32

Root task UUID: 623C4B68-BD95-3C6C-8899-4965A2FBD2DF

Firmware type: UNKNOWN SEPOS

SEP state: 6

PM state: 2

Boot state: 32

Mailbox status:

IDLE_STATUS: 0x00000068

MAILBOX_SET: 0x00000110

MAILBOX_CLR: 0x00000110

INBOX_CTRL: 0x00021101

OUTBOX_CTRL: 0x00020001

Mailbox entries:

Unavailable

Mailbox queue pointers: 31/31 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 25/25 -1/-1 0/0 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 2/2 -1/-1 25/25 28/28 28/28 -1/-1 -1/-1 -1/-1 4/4 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1 -1/-1

TZ0 explicitly set 1 size 0xed8000

Debugger message: panic

Memory ID: 0xff

OS release type: User

OS version: 22P2093

macOS version: 24C101

Kernel version: Darwin Kernel Version 24.2.0: Fri Nov 15 17:52:09 PST 2024; root:xnu-11215.61.3~3/RELEASE_ARM64_T8010

KernelCache UUID: C3733FB6CA2DFC07EBA3459A14276B6D

Kernel UUID: EF3A374F-9BAF-3918-906D-8577FF003DA3

Boot session UUID: 91A54C18-9115-4984-AE5C-679C6365290E

iBoot version: iBoot-11881.61.3

secure boot?: YES

roots installed: 0

x86 EFI Boot State: 0xe

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0x1

x86 Previous Power Transitions: 0x40002000200

PCIeUp link state: 0x94721611

macOS kernel slide: 0x1a200000

Paniclog version: 14

Kernel slide: 0x0000000021440000

Kernel text base: 0xfffffff028444000

mach_absolute_time: 0x79bd2ef4a8

Epoch Time: sec usec

Boot : 0x676ef898 0x0003ef90

Sleep : 0x676f4e24 0x0004f4e8

Wake : 0x676f4f3c 0x0005a73e

Calendar: 0x676f4f3d 0x0001ca0d

Zone info:

Zone map: 0xffffffde011ac000 - 0xffffffe4011ac000

. VM : 0xffffffde011ac000 - 0xffffffdee7810000

. RO : 0xffffffdee7810000 - 0xffffffdf344dc000

. GEN0 : 0xffffffdf344dc000 - 0xffffffe01ab40000

. GEN1 : 0xffffffe01ab40000 - 0xffffffe1011a4000

. GEN2 : 0xffffffe1011a4000 - 0xffffffe1e780c000

. GEN3 : 0xffffffe1e780c000 - 0xffffffe2cde74000

. DATA : 0xffffffe2cde74000 - 0xffffffe4011ac000

Metadata: 0xffffffe40130c000 - 0xffffffe402b0c000

Bitmaps : 0xffffffe402b0c000 - 0xffffffe402c30000

Extra : 0 - 0

TPIDRx_ELy = {1: 0xffffffe01aec64c0 0: 0x0000000000000001 0ro: 0x0000000000000000 }

CORE 0: PC=0xfffffff02878a594, LR=0xfffffff02878a590, FP=0xffffffdc073a3e60

CORE 1 is the one that panicked. Check the full backtrace for details.

Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space

Panicked task 0xffffffe101257780: 0 pages, 179 threads: pid 0: kernel_task

Panicked thread: 0xffffffe01aec64c0, backtrace: 0xffffffdc07247800, tid: 12213

lr: 0xfffffff02864e020 fp: 0xffffffdc07247870

lr: 0xfffffff02878842c fp: 0xffffffdc072478e0

lr: 0xfffffff028787520 fp: 0xffffffdc072479d0

lr: 0xfffffff02860d6bc fp: 0xffffffdc072479e0

lr: 0xfffffff02864da60 fp: 0xffffffdc07247db0

lr: 0xfffffff028d3678c fp: 0xffffffdc07247dd0

lr: 0xfffffff027953ce0 fp: 0xffffffdc07247e00

lr: 0xfffffff028c7072c fp: 0xffffffdc07247e30

lr: 0xfffffff0286a9908 fp: 0xffffffdc07247f20

lr: 0xfffffff0286186c4 fp: 0x0000000000000000