Fix scheduledjob render status

lib/scheduled_job.py

@@ -82,13 +82,16 @@ class ScheduledJob(Base):
     def render_status(self):
         try:
             worker_status = RenderStatus(self.worker_data()['status'])
+            if hasattr(self, 'worker_object'):
                 if self.scheduled_start and worker_status == RenderStatus.NOT_STARTED:
                     return RenderStatus.SCHEDULED
             else:
-                return worker_status
+                if worker_status == RenderStatus.RUNNING:
+                    return RenderStatus.ERROR
         except Exception as e:
             logger.error(f"Exception fetching render status: {e}")
-            return RenderStatus.UNDEFINED
+            worker_status = RenderStatus.UNDEFINED
+        return worker_status
 
     def json(self):
         """Converts RenderJob into JSON-friendly dict"""