Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

Your launch file is not the issue - your urdf/xacro files are. The error message is pretty clear - you are redefining a global symbol due to an error your urdf/xacro files. Take a look at tm700.urdf.xacro and all the files it includes for pi and see where it is being redefined.

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.