Action quiz problem

I submitted the quiz twice and the correction system said the actions_quiz pkg did not compile successfully, but in the local machine it worked fine; the pkg was built by catkin build.

use catkin_make instead, I suppose it would work

rm -rf build/ devel/
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Thanks for the reply~
I used catkin_make, it failed but used **catkin build ** fine. What is the reason?

Here is the error I got.

from actions_quiz.msg import CustomActionMsgAction,CustomActionMsgFeedback,CustomActionMsgResult
ImportError: cannot import name ‘CustomActionMsgAction’ from ‘actions_quiz.msg’ (unknown location)

The problem was solved now.