diff --git a/frontend/app/video/subtitles/page.tsx b/frontend/app/video/subtitles/page.tsx
index 9d5e38e..147b926 100644
--- a/frontend/app/video/subtitles/page.tsx
+++ b/frontend/app/video/subtitles/page.tsx
@@ -165,10 +165,14 @@ export default function SubtitlesPage() {
       toast.success('Subtitle processing started!');
     } catch (err: any) {
       console.error('Subtitle processing error:', err);
+      console.error('Error response:', err.response);
+      console.error('Error data:', err.response?.data);
 
       // Handle validation errors (array of error objects)
       if (err.response?.data?.detail && Array.isArray(err.response.data.detail)) {
-        const errorMessages = err.response.data.detail.map((e: any) => e.msg || JSON.stringify(e)).join(', ');
+        const errorMessages = err.response.data.detail.map((e: any) => {
+          return `${e.loc?.join('.')} - ${e.msg}`;
+        }).join('; ');
         toast.error(`Validation error: ${errorMessages}`);
       } else if (typeof err.response?.data?.detail === 'string') {
         toast.error(err.response.data.detail);