diff --git a/ui/media/js/main.js b/ui/media/js/main.js
index e3655a40..3c5f27dc 100644
--- a/ui/media/js/main.js
+++ b/ui/media/js/main.js
@@ -441,7 +441,7 @@ async function doMakeImage(task) {
 
         if (typeof renderRequest?.stream !== 'string') {
             console.log('Endpoint response: ', renderRequest)
-            throw new Error(renderRequest.detail || 'Endpoint response does not contains a response stream url.')
+            throw new Error(renderRequest?.detail || 'Endpoint response does not contains a response stream url.')
         }
 
         task['taskStatusLabel'].innerText = "Waiting"
diff --git a/ui/server.py b/ui/server.py
index 61bc7f4d..6125affe 100644
--- a/ui/server.py
+++ b/ui/server.py
@@ -85,9 +85,9 @@ def read_root():
 @app.get('/ping') # Get server and optionally session status.
 def ping(session_id:str=None):
     if not task_manager.render_thread.is_alive(): # Render thread is dead.
-        if task_manager.current_state_error: raise HTTPException(status_code=500, detail=str(current_state_error))
+        if task_manager.current_state_error: raise HTTPException(status_code=500, detail=str(task_manager.current_state_error))
         raise HTTPException(status_code=500, detail='Render thread is dead.')
-    if task_manager.current_state_error and not isinstance(task_manager.current_state_error, StopAsyncIteration): raise HTTPException(status_code=500, detail=str(current_state_error))
+    if task_manager.current_state_error and not isinstance(task_manager.current_state_error, StopAsyncIteration): raise HTTPException(status_code=500, detail=str(task_manager.current_state_error))
     # Alive
     response = {'status': str(task_manager.current_state)}
     if session_id:
@@ -223,7 +223,7 @@ def setConfig(config):
         config_json_path = os.path.join(CONFIG_DIR, 'config.json')
         with open(config_json_path, 'w', encoding='utf-8') as f:
             return json.dump(config, f)
-    except:
+    except Exception as e:
         print(str(e))
         print(traceback.format_exc())