From 361f42f27d02ca6f1f5354bae99371b7ed9a4137 Mon Sep 17 00:00:00 2001
From: LIghtJUNction <lightjunction.me@gmail.com>
Date: Wed, 29 Apr 2026 07:19:15 +0800
Subject: [PATCH] fix: add exc_info to agent error log for debugging NoneType
 += str

---
 .../pipeline/process_stage/method/agent_sub_stages/internal.py  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py b/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
index c1d882656..5c21cf22b 100644
--- a/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
+++ b/astrbot/core/pipeline/process_stage/method/agent_sub_stages/internal.py
@@ -395,7 +395,7 @@ class InternalAgentSubStage(Stage):
                         unregister_active_runner(event.unified_msg_origin, agent_runner)
 
         except Exception as e:
-            logger.error(f"Error occurred while processing agent: {e}")
+            logger.error(f"Error occurred while processing agent: {e}", exc_info=True)
             custom_error_message = extract_persona_custom_error_message_from_event(
                 event
             )