Why an undefined error is occured when calling startTakeOff function? William Wong March 02, 2022 03:25 Updated Follow Abnormal aircraft status, unable to take off. You can open DJI app to check if there is any abnormal status, warnings. You can use DJIDiagnostics from MSDK. Related articles How to rotate the aircraft to a specified angle? Can an aircraft fly in a circle? How to improve the performance of LiveStreamManager? Is MSDK video stream hardware decoding or software decoding? Comments 0 comments Please sign in to leave a comment.