Error or failure occurs when trying to edit the symbology in ArcGIS Online Map Viewer if the picture marker symbol is used in the custom map style.

Additional Information

Workaround

1. Instead of choosing the Style option, click the Heat Map option to reset the style.
2. Click the Location (single symbol) option.
3. Click the Style option, and click Edit. The Symbol selector window opens, allowing the option to choose the special symbol style and modify the size.

Steps to Reproduce