I cann't use ubiquityRobotics because repository

[halqupati]

when execute sudo apt-get upgrade
its give me in terminal 0% waiting for headers.

I need tutorials how to start use ubiquity Robotics system

[rohbotics]

Hi, Thanks for reporting your issue.

Can you please send me a picture or screenshot of the actual error that you are getting?

[halqupati]

Thanks for response .
Today is the second day used ubiquity Robotics system , I have some knowledge with ros and ubuntu(Beginner) .I need to used this system to make my final project .

I am install Arduino ide ,and its work .And i need rosserial package to join ros with Arduino .
when try to install it (rosserial) ,give me as below:

and I try to make upgrade ,but give me error as: