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Proportional symbol and arcade error

Question asked by williamw on Mar 7, 2018
Latest reply on Mar 26, 2018 by KKramer-esristaff

We have a feature class that was converted from a shapefile from a 3rd party software. The software can only convert all the data into String type format. In the ArcMap days, our analyst will painstakingly add needed numeric fields before creating a proportional symbol for his report. When we try to use arcade with proportional symbol we immediately run into a problem in ArcGIS Pro (v 2.1.2). When we click on the layer in the TOC > appearance > Symbology > Symbolize by Quantities, we notice this warning immediately - Layer does not contain any field types that can be used to quantify using proportional symbols

Layer does not contain any field types that can be used to quantify using proportional symbols

 

Even if closing the warning message, the Arcade option remains unavailable.

Interestingly, if symbology is changed to Unique Values, there is no warning and I can pick the field to apply Arcade.

Any idea?

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