Empty Structure causes DMN editor to crash ------------------------------------------ Key: DROOLS-4496 URL: https://issues.jboss.org/browse/DROOLS-4496 Project: Drools Issue Type: Bug Components: DMN Editor Affects Versions: 7.26.0.Final Reporter: Edoardo Vacchi Assignee: Guilherme Gomes Priority: Blocker Labels: drools-tools Steps to reproduce: - Create a custom data type: a Structure with no sub-fields (delete the one that gets created automatically). - Save and close - Create an input and assign said data type - Create a decision and connect it to the input - Open the decision and select Decision Table - An error is thrown - the editor is rendered unusable until it is closed and reopened