RE : UnsupportedClassVersionError

ls://dev.artenum.com/projects/jyconsole/forum/94ba899fc0a8002801a472809507ae59/9b661e03c0a800280011bbe52fe244cd
Permissions for this Message
READ : Allow user to view this Message
CREATE : Allow user to create new resource below this Message
UPDATE : Allow user to edit this Message
DELETE : Allow user to delete this Message

Resource has permissions : READ CREATE UPDATE DELETE Action
ls://dev.artenum.com/users/guest Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/projects-manager Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/manager Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/reader Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/projects-reader Edit -  Delete -  (recursive)
ls://dev.artenum.com/projects/jyconsole/readers Edit -  Delete -  (recursive)
ls://dev.artenum.com/groups/developers Edit -  Delete -  (recursive)
ls://dev.artenum.com/projects/jyconsole/member Edit -  Delete -  (recursive)
 
Owner of this Message
    (owner has all permissions)

Decorated version - Feeds - LibreSource