Nimbus VTOL LOGS PH 2.1

https://drive.google.com/open?id=1BEzd7yjOBSKd-xVlYXcYl1qChuOh9ibn
https://drive.google.com/open?id=1EO-2JvWrgjx-m5puxMjYF0nfOz6AHQlN

Encoutered Multiple issue during this flight
-Compass error
-Airspeed and groundspeed
-Roll input was not responding during last approach

Ive transition to Q_loiter to stop the unit from flying away and returned safe. Just wanted to know what causes the issues. Thanks