ERROR: pru-rproc driver missing

seeing this error when i run rc_balance. doesn’t seem to stop the program from functioning correctly and just curious if it is going to be a problem down the road. using a new ubuntu beaglebone image from Robert Nelson
did a sudo apt-get install roboticscape to install everything. all the rc_ programs that i’ve run so far with the edumip on this beaglebone blue seem to work just fine.