Can't download logs from board to apm planner 2.0

Ground Control Software APM Planner 2.0
1

hi to all! this is my first topic here, and a’m sorry if my english sounds like more like “Italysh”. By the way, i’m here because i don’t understand how to download the tlogs from my board.

My configuration is:

DJI F550 with VR Brain 5.2 with radio telemetry and ublox8 gps. After my flight, i plug my board via usb, click to connect, and then, i go to graphic page, i click to the bottom, “download log”, and in the next float window, i see my last flight. i click to download it but nothing happen. what’s wrong? i would also like to connect my log to google earth but i don’t know why every dataflash are 0 kb… what’s wrong?

thank you very much!

Oh… any news from the google map black screen?

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Update:

After imported in mission planner on win, I can export the kmz log and import ti google earth and it works. So the problem is inside apm planner 2.0… How can I export and import log inside google earth? Thank you!