1.Working on ROS2/iron on Ubuntu 1. Everything worked fine for a period with the package, then without explanation mypypkg not found even though it build 2. I sources the environment 3. the terminal: vboxuser@Ubuntu:~/ros2ws$ source ~/.bashrc vboxuser@Ubuntu:~/ros2ws$ colcon build --packages-select mypypkg Starting >>> mypypkg Finished <<< mypypkg [0.92s]
Summary: 1 package finished [1.30s] vboxuser@Ubuntu:~/ros2ws$ ros2 run mypypkg nodekiller Package 'mypypkg' not found

how to fix the issue