I created a workspace `catkin_ws_01` and created some packages inside it.
Then I duplicated that same workspace folder to create `catkin_ws_02` and made some changes to the packages inside. Then I deleted the original workspace folder `catkin_ws_01`.
Now when I try to run `catkin_make` from inside `catkin_ws_02`, it gives me the following error message:
`CMake Error: The source directory "/home/blabla/catkin_ws_01/src" does not exist.`
This means that `catkin_make` still refers to `catkin_ws_01` even though I am executing the command from within `catkin_ws_02`.
What is going on and how can I fix this?
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