diff --git a/backend/controllers/myTischtennisUrlController.js b/backend/controllers/myTischtennisUrlController.js
index 88a22f1..1e2b627 100644
--- a/backend/controllers/myTischtennisUrlController.js
+++ b/backend/controllers/myTischtennisUrlController.js
@@ -419,7 +419,22 @@ class MyTischtennisUrlController {
           }
         }
         
-        next(error);
+        const status = error.statusCode || error.status || 500;
+        const debug = {
+          message: error.message || String(error),
+          name: error.name,
+          stack: (process.env.NODE_ENV === 'dev' || process.env.NODE_ENV === 'development') ? (error.stack || null) : undefined,
+          team: team ? { id: team.id, name: team.name } : null,
+          league: team && team.league ? { id: team.league.id, name: team.league.name, association: team.league.association, groupId: team.league.myTischtennisGroupId, groupname: team.league.groupname } : null,
+          url: typeof myTischtennisUrl !== 'undefined' ? myTischtennisUrl : null
+        };
+        try {
+          res.status(status).json({ success: false, error: debug.message, debug });
+        } catch (writeErr) {
+          // Fallback, falls Headers schon gesendet wurden
+          // eslint-disable-next-line no-console
+          console.error('[fetchTeamData] Response write failed:', writeErr);
+        }
       }
   }
 
diff --git a/frontend/src/views/TrainingStatsView.vue b/frontend/src/views/TrainingStatsView.vue
index 3d07f5c..5f63104 100644
--- a/frontend/src/views/TrainingStatsView.vue
+++ b/frontend/src/views/TrainingStatsView.vue
@@ -76,6 +76,8 @@
                 <span class="sort-icon">{{ getSortIcon('name') }}</span>
               </div>
             </th>
+            <th>TTR</th>
+            <th>QTTR</th>
             <th>Geburtsdatum</th>
             <th @click="sortBy('participation12Months')" class="sortable-header">
               <div class="header-content">
@@ -107,6 +109,8 @@
         <tbody>
           <tr v-for="member in sortedMembers" :key="member.id" class="member-row">
             <td>{{ member.firstName }} {{ member.lastName }}</td>
+            <td>{{ member.ttr ?? '–' }}</td>
+            <td>{{ member.qttr ?? '–' }}</td>
             <td>{{ formatBirthdate(member.birthDate) }}</td>
             <td>{{ member.participation12Months }}</td>
             <td>{{ member.participation3Months }}</td>