Fix This adb server's $ADB_VENDOR_KEYS is not set:
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1. Delete the folder "~/.android"
2. Restart the adb server (adb kill-server)
3. Next time you use adb to access the device, a popup will appear on your phone asking to allow to connect to adb server

Source: https://stackoverflow.com/questions/33157299/this-adb-servers-adb-vendor-keys-is-not-set
Date: September 1st 2022 6:13AM