Guided Decision table not opening --------------------------------- Key: DROOLS-1805 URL: https://issues.jboss.org/browse/DROOLS-1805 Project: Drools Issue Type: Bug Components: Guided Decision Table Editor Affects Versions: 7.0.0.Beta6 Environment: Windows 7. Tomcat 7. JDK 1.8. Reporter: Ashok Murugesan Assignee: Jozef Marko Fix For: 7.5.0.Final Attachments: Esg-Qual-Ratings-DecisionTableV1 (1).xls, Esg-Qual-Ratings-DecisionTableV1-updated.xls I am trying to convert existing XLS decision table to Guided Decision table in this new version. I validated XLS decision table and it's successful. I converted XLS into Guided Decision table and it's converted successfully. But when I try to open the Guided decision table it throws below error: Unable to complete your request. The following exception occurred: Parameter named 'columnTitle' should be not null!. Not sure why this issue occurs. Please clarify