Am a 3dr solo drone pilot and a drone owner but my drone have calibration error

[Yayah]

My solo drone is facing a level calibration problem

 

[jimloss]

It may be a stuck accelerometer in the flight controller. Try a belly smack as a temporary fix. Search for "smack" and will find many discussions. Permanent fix is to replace the flight controller.

 

[Yayah]

Please my solo is disturbing to fly why