Guided decision table editor is not displayed if operation 'is contained in the (comma separated) list' is used

Issue

If guided decision table is created by the following steps, editor is not shown(i.e. white page is shown.)

1. Create fact: Claim (product: String, solution: String)

2. Create enumeration like the following

   'Claim.product' : ['EAP','BRMS']
   'Claim.solution' : ['1','2']

3. create new guided decition table by checking 'Use Wizard'

• Option "Use Wizard": checked
• Option "Extended entry, values defined in table body": checked
• Screen "Imports": leave default
• Screen "Add Fact Patterns": choose "Claim"
• Screen "Add Constraints":
  • choose "Claim > product"
  • column header: "Product"
  • operator: "is contained in the (comma separated) list"
  • calculation type: "Literal value"
  • default value: "Choose..."
• Screen "Add Actions to update Facts":
  • choose "Claim > solution"
  • column header: "Solution"
  • default value: "Choose..."
• Click "Finish"