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Message packages will need to be present on all hosts that want to participate in the ROS node graph.

In other words: make sure the workspace in your VM has a copy of the message package and build the workspace.

PS: this is one of the reasons why having packages with just messages is a good idea: that way you can access remote services / topics without needing to have the rest of the software duplicated as well.

Message packages definitions will need to be present on all hosts that want to participate in the ROS node graph.

In other words: make sure the workspace in your VM has a copy of the message package and build the workspace.

PS: this is one of the reasons why having packages with just messages is a good idea: that way you can access remote services / topics without needing to have the rest of the software duplicated as well.