api/maintenance_views.py

@@ -298,7 +298,7 @@ def maintenance_tracking_info_update(maintenance, type_, tracking_info):

                         maintenance.maintenance_status_at = maintenance_status_at
              

                     maintenance.save()
              

                 
              

                -    if maintenance_status != old_maintenance_status:
              

                +    if maintenance_status and maintenance_status != old_maintenance_status:
              

                         maintenance_status_update_sendtemplatemessage(maintenance)