[DMN Designer] Error after reopening ------------------------------------ Key: DROOLS-3431 URL: https://issues.jboss.org/browse/DROOLS-3431 Project: Drools Issue Type: Bug Components: DMN Editor Affects Versions: 7.16.0.Final Reporter: Jozef Marko Assignee: Michael Anstis Priority: Critical Labels: drools-tools Attachments: Screenshot from 2018-12-13 08-09-38.png, reopen.error.log There appears an unexpected error dialog when user reopen stored dmn diagram. Secodn reopening works fine. See the steps to reproduce and attached error. This was spotted during [DROOL-3286 PR Review|https://github.com/kiegroup/kie-wb-common/pull/2344] however not sure if it is related.