diff --git a/invokeai/app/services/invocation_stats.py b/invokeai/app/services/invocation_stats.py
index e8557c40f7..bfede6a880 100644
--- a/invokeai/app/services/invocation_stats.py
+++ b/invokeai/app/services/invocation_stats.py
@@ -268,8 +268,14 @@ class InvocationStatsService(InvocationStatsServiceBase):
         is complete.
         """
         completed = set()
+        errored = set()
         for graph_id, node_log in self._stats.items():
-            current_graph_state = self.graph_execution_manager.get(graph_id)
+            try:
+                current_graph_state = self.graph_execution_manager.get(graph_id)
+            except Exception:
+                errored.add(graph_id)
+                continue
+
             if not current_graph_state.is_complete():
                 continue
 
@@ -302,3 +308,7 @@ class InvocationStatsService(InvocationStatsServiceBase):
         for graph_id in completed:
             del self._stats[graph_id]
             del self._cache_stats[graph_id]
+
+        for graph_id in errored:
+            del self._stats[graph_id]
+            del self._cache_stats[graph_id]