Quadplane Severe Vibration

My Quadplane keeps vibrates severely when its at 20% throttle. I am using Pixhawk 4 with Quad enabled. I have enclosed the video and log file of the vibration.

Perhaps someone could give me some insights on how to solve this issue.

Log File: https://drive.google.com/file/d/1GCX7il9dpmB103hLPG4tuqqkXu_ra5Ap/view?usp=sharing
Video: https://youtu.be/mJoz_IE0fno

Just needs a tune, turn down your gains.

https://ardupilot.org/plane/docs/quadplane-vtol-tuning-process.html

Will surely try it out! thanks for your response:)