[jboss-jira] [JBoss JIRA] (DROOLS-3949) "Diagram properties" is empty, if you'll go to Business Central you'll get error

"Diagram properties" is empty, if you'll go to Business Central you'll get error -------------------------------------------------------------------------------- Key: DROOLS-3949 URL: https://issues.jboss.org/browse/DROOLS-3949 Project: Drools Issue Type: Bug Affects Versions: 7.21.0.Final Reporter: Yevgeniy Fomin Assignee: Michael Anstis Priority: Blocker Labels: drools-tools Attachments: Error.jpeg, Screenshot from 2019-04-29 15-22-18.png The "Diagram properties" is empty in any step of creation diagram(see attach), also you will receive an error after attempting to click on "Business Central" after using "Diagram properties".