20009: Layer uses the size renderer with an arrow marker symbol

A layer in your map is symbolized with the size renderer and uses an arrow marker symbol. Because of differences in the display engine, there may be some discrepancies in the size of the arrows when viewed in an optimized map service or a basemap layer.


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This warning message is simply telling you that the size of this symbol may be different in a basemap layer or an optimized map service. This is because the drawing engine used by basemap layers and optimized map services scales the size of this type of symbol differently.