I am using the Gantt Chart plugin and it was working fine uptill 18.4 but after an upgrade to 19.1 ea release I am getting the following error:
Could not display interface. Please check definition and inputs. Interface Definition: Expression evaluation error [evaluation ID = B2F6PHWF] : An error occurred while executing a save: java.lang.NoClassDefFoundError: Could not initialize class org.jfree.chart.JFreeChart
Appian support said this plugin hasn't been approved for 19.1, and they cannot help. Any other suggestions I can pursuit to create Ganntt Chart?
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