Substitution Error while following Articulated Robotics tutorial | 0 answers | 0 votes | Asked on 2023-06-15 21:43:01 UTC

Hello im following the youtube tutorial by Articulated Robotics, where at this certain video I'm having an error even I already directly copy and paste the xacro files, description files and launch files from his git. Here is the error message | 0 answers | 0 votes | Asked on 2023-06-15 21:44:44 UTC