How do I fix error code 30064

Hi there. Thank you for reaching out and we're sorry for the trouble. Please confirm what remote controller you are currently using. Are you using the DJI RC-N1 with an Android mobile device on it? If yes, please update the DJI Fly App to V1.9.9, and the issue can be resolved. You may download the DJI Fly app to our website using the link below. Please keep us posted. Thank you for your valued support.

https://www.dji.com/downloads/djiapp/dji-fly

It's usually a software update. Geton chat with DJI and They will look at your app version and walk you through it.