Adding a deleted 'simple type list' in DMN type scenario throws an error ------------------------------------------------------------------------ Key: DROOLS-4078 URL: https://issues.jboss.org/browse/DROOLS-4078 Project: Drools Issue Type: Bug Components: Scenario Simulation and Testing Reporter: Yeser Amer Assignee: Yeser Amer Priority: Major Attachments: Prova.dmn To reproduce the issue: Load Prova.dmn Create a Scenario based on prova.dmn Try to remove "list/value" column (this column represents a simple List<String> ) Try to add it again and double click on value cell: an exception is thrown.