I would imagine that the macro doesn't exist on the indexers, or the permissions on the macro might be wrong?
Was the the app pushed to the indexer cluster?
When you are running your search, which app are you in?? Check if the macro permissions are global:
Its appears global in my instance.
the macro is technically not mandatory for your searches either, was just bet practice to allow the users to change it, so you could technically just not use it as well.
hit me up on slack if you are in the chat (splk.it/slack to sign up), I'm @mattymo
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