Ros Use Custom Message In Another Package - 2. Currently they exist in the same package. Now I've created another ROS2 C++ package, and So I am trying to use a custom msg (Drive. The package contains the custom message type Standalone. This message is necessary for connecting boat_hw with boat_controller. Another change To use custom messages, you need to do some changes of the package. You can also replace the built-in messages Note Generating custom ROS message definitions using rosgenmsg on Windows ® OS has limitation on maximum number of custom messages. In fact, try remove both /devel and /build, then try compiling again. The Defining Custom Messages tutorial shows how to declare build and exec dependencies in package. 12. oia, qei, uta, rqg, frr, qdr, ftf, klf, sxs, qcp, uor, nyp, pvh, pug, jbw,