R1150

The CallOperationAction or SendSignalAction has more than one target pin.

The target pin is an input pin that represents the target object to which the request or signal is sent. There can only be one target for CallOperationActions and SendSignalActions.

When you get a R1150 warning, verify that the incriminated CallOperationAction or SendSignalAction only has one InputPin whose isSelf value is set to true.