# My program doesn't load the mission **URL:** \ **Category:** MAVSDK\ **Created:** [October 31, 2019, 8:22pm UTC](https://discuss.px4.io/t/my-program-doesnt-load-the-mission/13659 "2019-10-31T20:22:24Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![stokekld](https://discuss.px4.io/user_avatar/discuss.px4.io/stokekld/32/8131_2.png) [@stokekld](https://discuss.px4.io/u/stokekld)\ **Post date:** [October 31, 2019, 8:22pm UTC](https://discuss.px4.io/t/my-program-doesnt-load-the-mission/13659/1 "2019-10-31T20:22:24Z")
Hello everyone, I made a program to receive a mission and execute it but I get the next error: [08:09:00|Info] MAVSDK version: 0.20.0 (mavsdk\_impl.cpp:25) [08:09:01|Debug] New: System ID: 0 Comp ID: 0 (mavsdk\_impl.cpp:390) [08:09:01|Debug] Component Autopilot (1) added. (system\_impl.cpp:397) [08:09:01|Debug] MAVLink: info: GPS 1: detected as u-blox at 115200 baud (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: info: EKF2 IMU0 initial yaw alignment complete (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: info: EKF2 IMU1 initial yaw alignment complete (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:01|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:01|Debug] Discovered 1 component(s) (UUID: 1) (system\_impl.cpp:557) [08:09:01|Error] Error: UUID changed (system\_impl.cpp:253) [08:09:01|Error] Error: UUID changed (system\_impl.cpp:253) [08:09:01|Warn] command unsupported (511). (mavlink\_commands.cpp:163) [08:09:01|Error] Error: get param busy timeout: CAL\_GYRO0\_ID (mavlink\_parameters.cpp:456) [08:09:01|Error] Error: Param for gyro cal failed. (telemetry\_impl.cpp:822) [08:09:02|Error] Error: get param busy timeout: CAL\_ACC0\_ID (mavlink\_parameters.cpp:456) [08:09:02|Error] Error: Param for accel cal failed. (telemetry\_impl.cpp:833) [08:09:03|Error] Error: get param busy timeout: CAL\_MAG0\_ID (mavlink\_parameters.cpp:456) [08:09:03|Error] Error: Param for mag cal failed. (telemetry\_impl.cpp:844) [08:09:03|Error] Error: get param busy timeout: SYS\_HITL (mavlink\_parameters.cpp:456) [08:09:03|Error] Error: Param to determine hitl failed. (telemetry\_impl.cpp:868) [08:09:04|Error] Error: get param busy timeout: MIS\_TAKEOFF\_ALT (mavlink\_parameters.cpp:456) [08:09:04|Error] Error: get param busy timeout: MPC\_XY\_CRUISE (mavlink\_parameters.cpp:456) [08:09:05|Error] Error: get param busy timeout: MIS\_TAKEOFF\_ALT (mavlink\_parameters.cpp:456) Mission cleared home: 19.427, -99.2087 [08:09:06|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:06|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:07|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:07|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:07|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:07|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:08|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:08|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:08|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:08|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:09|Warn] Retrying send mission count… (mission\_impl.cpp:1421) [08:09:09|Warn] Mission handling timed out while downloading mission. (mission\_impl.cpp:1404) [08:09:09|Warn] Callback is not set (mission\_impl.cpp:1242) [08:09:17|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) [08:09:47|Debug] MAVLink: critical: PreArm: Throttle below Failsafe (system\_impl.cpp:304) could you help me, please?