Octoprint not runing on Mate 2204

Unable to get OctoPrint connection to 3D printer working on /ttyAMA0 after upgrading from Mate 20.04 to Mate 22.04. Hardware is a Creality CR6-SE with community firmware connected to Pi4 with 8GB in Argon case with 250GB SSD (Kernel Linux 5.15.0-1013-raspi aarch64)

        Any help would be greatly appreciated. * * *
        ERROR Log Info:
        Connecting to port /dev/ttyAMA0, baudrate 115200
        Serial detection: Handshake attempt #3 with timeout 2.0s
        M110 detected, setting current line number to 0
        Changing monitoring state from "Detecting serial connection" to "Error"
        Changing monitoring state from "Error" to "Offline after error"
          *  *  *  FIX FOUND *  *  * FIX FOUND *  *  *

A solution that WORKS was suggest to me on the Octoprint forum. sudo systemctl disable brltty

Another FIX I had already used is found at: usbfs: interface 0 claimed by ch34x while 'brltty' sets config #1 · Issue #18 · juliagoda/CH341SER · GitHub