Exception: ideviceinfo returned an error: ERROR: Could not connect to lockdownd, error code -17

Question

I tried install flutter on my mac but these error always show up :

⢿Unhandled exception:
Exception: ideviceinfo returned an error:
ERROR: Could not connect to lockdownd, error code -17

can anyone help me?

I've tried many ways but the error always show up.

Answer 1

I think it is caused by having an iOS device plugged in to your computer. I had the same issue and it went away after unplugging my phone. You won't get this message if the device is plugged in and the computer is marked as a trusted device.