[DMN Designer] Unexpected error appears when diagram is created --------------------------------------------------------------- Key: DROOLS-3537 URL: https://issues.jboss.org/browse/DROOLS-3537 Project: Drools Issue Type: Bug Components: DMN Editor Affects Versions: 7.17.0.Final Reporter: Jozef Marko Assignee: Michael Anstis Priority: Blocker Labels: drools-tools Attachments: Screenshot from 2019-01-21 09-38-00.png, Screenshot from 2019-01-21 09-40-00.png, error.log An unexpected error dialog appears when user creates new DMN diagram. The unexpected error dialog contain an error: [^error.log] Next the trouble can be spotted by missing data types tab. When user tries to navigate into expression editor, another error dialog appears.