I created a new udev rules to add symbolic link. It did create a new link, however it's kernel name.
10-local.rules: SUBSYSTEM=="usb",ATTRS{serial}=="55639303834351417 132",SYMLINK+="encoder",GROUP="dialout"
New matching USB device,
/dev$ ll encoder
lrwxrwxrwx 1 root root 15 Jan 9 15:27 encoder -> bus/usb/001/027 >>>>>>>>>>>>> I'm looking for /dev/ttyACM0



/dev$ ll /dev/ttyACM0
crw-rw---- 1 root dialout 166, 0 Jan 9 15:27 /dev/ttyACM0

/dev$ lsusb | grep 27
Bus 001 Device 027: ID 2a03:0043 dog hunter AG Arduino Uno Rev3

Could anyone help? Much appreciated!

Steve