Mid-flight IOMCU processor reset caused vehicle crash

ArduCopter Copter 4.5
1

The mid-flight altitude of the air vehicle was approximately 36 meters. It encountered “Internal Errors 0x1000” during the flight, and after the crash, the message “PreArm: Internal errors 0x1000 l:133 iomcu_reset” was observed.
What is the cause of the reset of the IOMCU Processor?

2

Please don’t double-post, it doesnt help you much and someone will check your problem when they can.

Can you provide the .bin log file?

3

Yes, I am uploading .bin log file

log link-https://drive.google.com/file/d/12_BRyYmjqclHHjSDvCKSVE9aYe5XMvIv/view?usp=sharing