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Message & Error Explainer

What an ArduPilot message means and what to do about it

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The stored mission was erased at start-up

InformationMissions, fence, rally points, terrain

What ArduPilot says:

MIS_OPTIONS bit 0 (clear mission on reboot) is set, so ArduPilot erased the stored mission as it started. The option is for aircraft that must never fly yesterday's mission by mistake. Until a mission is uploaded again, Auto has nothing to fly.

If missions keep vanishing and you did not ask for this, clear bit 0 of MIS_OPTIONS.

Parameters to look at

ParameterWhat it is
MIS_OPTIONSMission options bitmask
MIS_TOTALTotal mission commands
The code that sends it

Clearing Mission

libraries/AP_Mission/AP_Mission.cpp AP_Mission::init() · Open in ArduPilot Copter-4.7.1

Written here for Copter 4.6. In the tool you choose your vehicle and version, see your own parameter values beside the ones named here, and drop a flight log to have every message in it explained.

Open it in the Message & Error Explainer