i am unable to install ROS package directly from terminal by using the command- "sudo apt-get install package_name".everytime it gives an error: unable to locate paackage.please suggest. | 2 answers | 0 votes | Asked on 2016-04-07 12:42:05 UTC

when i execute the command check_urdf i get error like: Error document empty. at line 72 in /build/buildd/urdfdom-0.2.10+dfsg/urdf_parser/src/model.cpp | 2 answers | 1 votes | Asked on 2016-04-13 12:51:07 UTC

how to eleminate the "fixed frame doesnot exist" error in RViz. | 0 answers | 0 votes | Asked on 2016-04-24 02:37:48 UTC