Learn how to provide a logcat the devs .....
By phone ...
Open the terminal emulator
su # logcat > /sdcard/logcat.txt
The log will be on your sdcard.
By the computer (Windows) ....
Download the Qtabd
Open qtabd, select where you extracted the package adb.
Connect the phone to the pc.
In qtabd select logcat.
Select all (ctrl + a)
Save to PC