Arduplane(Fixed wing Talon) got crashed during Mapping mission

Hello everyone,

I am Using Cube orange and here3 in my XUAV Talon.
AUW is 4Kg, Sunnysky 3520 880Kv with 12inch prop and hobbywing skywalker 80Amp ESC

I am using this same setup in my 3 planes since last 1 year and its working fine.

today i did takeoff in auto mode and plane was flying well but struggling to maintain level due to winds.

after sometime it suddenly rolled on left and did crash landing.

after checking log i found that before crash current suddenly dropped

link to log : 00000083.BIN - Google Drive