Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bug Fix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bugfix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.
Bugfix: obj.ClassInstance_ID -> obj.NTparam.ClassInstance_ID.