Strange behavior during takeoff try

hi guys
last week i was trying takeoff with my drone ( big size quadcopter ).
it seems like the motors not fully response to my throttle command , after power off and reboot everything went well again
i uploaded log file you can see the throttle position compare to motor response,
any help will be much appreciate this happened to me twice .
2022-09-07 08-46-34.bin (564.5 KB)

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We are about to release ArduCopter 4.3.0-beta and you are still using ArduCopter 3.6.x?

You are aware that the issue you are experiencing might be one of the hunderts of issues fixed in the last couple of years?