diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
index 6fbb548f3edd35a424572eab85ead04c396b1930..4f8bf1199147bca5687695c7942a231d91e2a57d 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
@@ -265,7 +265,7 @@ export class SchedulingSetCreate extends Component {
         schedulingUnit.project = projectName;
         const selectedProject = _.filter(this.projects, {'name': projectName});
         this.setState({confirmDialogVisible: false, isDirty: false, selectedProject: selectedProject, schedulingUnit: schedulingUnit, 
-            schedulingSets: projectSchedluingSets, validForm: this.validateForm('project'), rowData: [],observStrategy: {}, copyHeader: false});
+            schedulingSets: projectSchedluingSets, validForm: this.validateForm('project'), rowData: [],observStrategy: {}, copyHeader: false, observationIdSet: []});
         publish('edit-dirty', false);
         schedulingUnit.scheduling_set_id = null;
     }