Sorry misread your post,no I have not used,I like my drone in operation,unsure why you get this message,mayby something got detected in flight,I did a big search on why this message but could not find a reason,your flight data might show what happen,few posts on this but not for the message,some have had grave results and close calls from what I just read,(Google search),bit of info in each tap and fly info I read but they not have any trouble shooting for faults,could check your warnings in djigo4 app and see if anything mentioned,,I have doctors soon but going to find this out on return,,