ArcGIS Web AppBuilder applications do not print layers in a legend if the web map uses the 'Counts and Amounts (Size)' symbology.
Last Published: September 14, 2015ArcGIS Online
Bug ID Number
August 31, 2015
September 22, 2022
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.