In the ElementalX-N5-4.04-express version, config/elementalx.conf has an intended comment line that should really be commented out. Lines 9-10:
##### Global Vibration Strength #####
Enter vibration strength (0 to 100). Default is 63.
Line 10 needs to start with #
##### Global Vibration Strength #####
# Enter vibration strength (0 to 100). Default is 63.