I am getting error while trace the HelloWorld default API as per tutorial: Error creating trace session for API proxy HelloWorld, revision 1, environment test. No message processors are wired with the environment(test) of the organization(pinku_sahoo)

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I am getting error while trace the HelloWorld default API as per tutorial:

Error creating trace session for API proxy HelloWorld, revision 1, environment test. No message processors are wired with the environment(test) of the organization(pinku_sahoo)