The problem is described as follows:
#26642372 SIGSEGV
SEGV_ACCERR
CoreHandwriting + 112016
A mobile app installed on the ipad crashed when a page containing a text input field called up the keyboard. We are seeing a lot of users experiencing this problem. The crashes occurred mainly in the 16 and 17 operating systems.
Zhang123123
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Dear Apple developers.
I found a crash problem，Apple Pencil crashes when written in a textField. See attachment for details.I hope you will reply after reading this and give a solution.