RWECODE(E_RP_SPLINE_INVNAME     ,"Invalid Spline Name")
RWECODE(E_RP_SPLINE_INVTYPE     ,"Invalid Spline Type")
RWECODE(E_RP_SPLINE_INVCONTROLS ,"Invalid Number of spline control points")
RWECODE(E_RP_SPLINE_OPEN        ,"Unable to initialize Spline")
RWECODE(E_RP_SPLINE_PLUGINNOTINIT     ,"The Spline plugin has not been attached")
