diff --git a/plugin/index.ts b/plugin/index.ts
index b7d2082..0245c08 100644
--- a/plugin/index.ts
+++ b/plugin/index.ts
@@ -230,8 +230,10 @@ export default {
         logger.info(`Agent dispatched for slot ${slotId}: ${result?.status || 'ok'}`);
         return true;
 
-      } catch (err) {
-        logger.error('Failed to dispatch agent for slot:', err);
+      } catch (err: any) {
+        const msg = err?.message || err?.code || String(err);
+        const stack = err?.stack?.split('\n').slice(0, 3).join(' | ') || '';
+        logger.error(`Failed to dispatch agent for slot: ${msg} ${stack}`);
         return false;
       }
     }