Hey guys, I'm struggling to install apm on erle brain 3.
I arleady installed the os and apm last time. but now I have reinstalled the os to refresh erle-brain-3.
but this time, I got this error message.
erle@erle-brain:~ $ sudo apt-get install apm-copter-erlebrain
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package apm-copter-erlebrain
what is the problem? why is it not working?