This message is generated when the indicated expression is not a recognized graphics expression.
A graphics expression is an expression with a head of Graphics, SurfaceGraphics, Graphics3D, ContourGraphics, DensityGraphics, GraphicsArray, or Sound.
The head of the unrecognized expression is reported in the message.
Off[message] switches off the message; On[message] switches it on. For example: Off[PlotRange::gtype].
Examples
Basic Examples(1)
Line is a graphics primitive rather than a type of graphic: