I was fly manually sometime after i completed the mission i landed then drone but drone was won’t disarm .I tried forced disarm (Throttle down +yaw left).I am attaching the log file for your reference .I tried doing log analysis but didn’t get the exact reason so please do check and say where might be the problem.
https://drive.google.com/file/d/1ImE9jE4e4S5XEzTIELnR4Hgp7UBFmRfD/view?usp=sharing