diff --git a/app/api/missions/[missionId]/route.ts b/app/api/missions/[missionId]/route.ts
index 9b274ec..55d0fe5 100644
--- a/app/api/missions/[missionId]/route.ts
+++ b/app/api/missions/[missionId]/route.ts
@@ -201,7 +201,15 @@ export async function DELETE(
       }
     }
 
-    // Step 3: Call N8N deletion webhook (non-blocking)
+    // Step 3: Call N8N deletion webhook
+    logger.debug('Preparing N8N deletion webhook call', {
+      missionId: mission.id,
+      hasGiteaUrl: !!mission.giteaRepositoryUrl,
+      hasLeantimeId: !!mission.leantimeProjectId,
+      hasOutlineId: !!mission.outlineCollectionId,
+      hasRocketChatId: !!mission.rocketChatChannelId
+    });
+    
     const n8nService = new N8nService();
     const n8nData = {
       missionId: mission.id,
@@ -216,13 +224,34 @@ export async function DELETE(
       penpotProjectId: mission.penpotProjectId
     };
 
-    // Call N8N but don't fail if it errors
-    n8nService.triggerMissionDeletion(n8nData).catch(n8nError => {
-      logger.error('N8N deletion webhook failed (mission still deleted from database)', {
-        error: n8nError instanceof Error ? n8nError.message : String(n8nError),
+    logger.debug('Calling N8N deletion webhook', {
+      webhookUrl: process.env.N8N_DELETE_WEBHOOK_URL || 'https://brain.slm-lab.net/webhook/mission-delete',
+      hasApiKey: !!process.env.N8N_API_KEY,
+      dataKeys: Object.keys(n8nData)
+    });
+
+    // Call N8N but don't fail if it errors (mission deletion should still succeed)
+    try {
+      const n8nResult = await n8nService.triggerMissionDeletion(n8nData);
+      logger.debug('N8N deletion webhook result', {
+        success: n8nResult.success,
+        hasError: !!n8nResult.error,
         missionId
       });
-    });
+      
+      if (!n8nResult.success) {
+        logger.warn('N8N deletion webhook returned error (mission still deleted)', {
+          error: n8nResult.error,
+          missionId
+        });
+      }
+    } catch (n8nError) {
+      logger.error('N8N deletion webhook failed (mission still deleted from database)', {
+        error: n8nError instanceof Error ? n8nError.message : String(n8nError),
+        errorType: n8nError instanceof Error ? n8nError.name : typeof n8nError,
+        missionId
+      });
+    }
 
     // Step 4: Delete from database (cascade will handle related records)
     await prisma.mission.delete({
@@ -236,13 +265,23 @@ export async function DELETE(
       message: 'Mission deleted successfully'
     });
   } catch (error: any) {
-    const { missionId: errorMissionId } = await params;
+    // Get missionId from params safely
+    let errorMissionId = 'unknown';
+    try {
+      const paramsResult = await params;
+      errorMissionId = paramsResult.missionId;
+    } catch (paramsError) {
+      // If we can't get params, use unknown
+      logger.warn('Could not get missionId from params in error handler');
+    }
+    
     logger.error('Error deleting mission', {
       error: error instanceof Error ? error.message : String(error),
+      errorStack: error instanceof Error ? error.stack : undefined,
       missionId: errorMissionId
     });
     return NextResponse.json(
-      { error: 'Failed to delete mission', details: error.message },
+      { error: 'Failed to delete mission', details: error instanceof Error ? error.message : String(error) },
       { status: 500 }
     );
   }
diff --git a/app/api/missions/route.ts b/app/api/missions/route.ts
index f56b80f..54734bd 100644
--- a/app/api/missions/route.ts
+++ b/app/api/missions/route.ts
@@ -496,16 +496,23 @@ export async function POST(request: Request) {
           MISSION_API_URL: process.env.NEXT_PUBLIC_API_URL
         }
       };
+      
+      // Log detailed information for debugging
       logger.debug('Sending to N8N', {
         missionId: n8nData.missionId,
         name: n8nData.name,
-        hasLogo: !!n8nData.logoPath
+        hasLogo: !!n8nData.logoPath,
+        webhookUrl: process.env.N8N_WEBHOOK_URL || 'https://brain.slm-lab.net/webhook/mission-created',
+        hasApiKey: !!process.env.N8N_API_KEY,
+        apiKeyLength: process.env.N8N_API_KEY ? process.env.N8N_API_KEY.length : 0,
+        missionApiUrl: process.env.NEXT_PUBLIC_API_URL
       });
 
       const workflowResult = await n8nService.triggerMissionCreation(n8nData);
       logger.debug('N8N workflow result', {
         success: workflowResult.success,
-        hasError: !!workflowResult.error
+        hasError: !!workflowResult.error,
+        error: workflowResult.error
       });
       
       if (!workflowResult.success) {
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 85f8d70..1770164 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -161,6 +161,7 @@ services:
       # N8N Integration (required for mission creation workflow)
       N8N_API_KEY: ${N8N_API_KEY}
       N8N_WEBHOOK_URL: ${N8N_WEBHOOK_URL:-https://brain.slm-lab.net/webhook/mission-created}
+      N8N_DELETE_WEBHOOK_URL: ${N8N_DELETE_WEBHOOK_URL:-https://brain.slm-lab.net/webhook/mission-delete}
       
       # Autres variables d'environnement (ajoutez les vôtres)
     # volumes:
diff --git a/env.production.example b/env.production.example
index 059e356..8835a17 100644
--- a/env.production.example
+++ b/env.production.example
@@ -63,6 +63,7 @@ NEXT_PUBLIC_APP_URL=https://hub.slm-lab.net
 # N8N est utilisé pour créer automatiquement les projets Leantime, repos Git, etc.
 N8N_API_KEY=VOTRE_N8N_API_KEY
 N8N_WEBHOOK_URL=https://brain.slm-lab.net/webhook/mission-created
+N8N_DELETE_WEBHOOK_URL=https://brain.slm-lab.net/webhook/mission-delete
 
 # ============================================
 # Autres services (ajoutez selon vos besoins)
diff --git a/lib/services/n8n-service.ts b/lib/services/n8n-service.ts
index 0cafe2a..bff3bbf 100644
--- a/lib/services/n8n-service.ts
+++ b/lib/services/n8n-service.ts
@@ -13,6 +13,12 @@ export class N8nService {
     this.rollbackWebhookUrl = process.env.N8N_ROLLBACK_WEBHOOK_URL || 'https://brain.slm-lab.net/webhook/mission-rollback';
     this.apiKey = process.env.N8N_API_KEY || '';
     
+    logger.debug('N8nService initialized', {
+      webhookUrl: this.webhookUrl,
+      hasApiKey: !!this.apiKey,
+      apiKeyLength: this.apiKey ? this.apiKey.length : 0
+    });
+    
     if (!this.apiKey) {
       logger.error('N8N_API_KEY is not set in environment variables');
     }
@@ -25,22 +31,45 @@ export class N8nService {
       logger.debug('Triggering n8n mission deletion workflow', {
         missionId: data.missionId,
         name: data.name,
-        hasRepoName: !!data.repoName
+        hasRepoName: !!data.repoName,
+        repoName: data.repoName
       });
       logger.debug('Using deletion webhook URL', { url: deleteWebhookUrl });
-      logger.debug('API key present', { present: !!this.apiKey });
-
-      const response = await fetchWithTimeout(deleteWebhookUrl, {
-        method: 'POST',
-        timeout: 30000, // 30 seconds
-        headers: {
-          'Content-Type': 'application/json',
-          'x-api-key': this.apiKey
-        },
-        body: JSON.stringify(data),
+      logger.debug('API key present', { 
+        present: !!this.apiKey,
+        length: this.apiKey ? this.apiKey.length : 0
+      });
+      logger.debug('Request payload', {
+        keys: Object.keys(data),
+        payloadSize: JSON.stringify(data).length
       });
 
-      logger.debug('Deletion webhook response', { status: response.status });
+      let response: Response;
+      try {
+        response = await fetchWithTimeout(deleteWebhookUrl, {
+          method: 'POST',
+          timeout: 30000, // 30 seconds
+          headers: {
+            'Content-Type': 'application/json',
+            'x-api-key': this.apiKey
+          },
+          body: JSON.stringify(data),
+        });
+        
+        logger.debug('Deletion webhook response received', { 
+          status: response.status,
+          statusText: response.statusText,
+          headers: Object.fromEntries(response.headers.entries())
+        });
+      } catch (fetchError) {
+        logger.error('Failed to send deletion webhook request', {
+          error: fetchError instanceof Error ? fetchError.message : String(fetchError),
+          errorType: fetchError instanceof Error ? fetchError.name : typeof fetchError,
+          url: deleteWebhookUrl,
+          stack: fetchError instanceof Error ? fetchError.stack : undefined
+        });
+        throw fetchError;
+      }
 
       if (!response.ok) {
         const errorText = await response.text();
@@ -157,19 +186,40 @@ export class N8nService {
       });
 
       logger.debug('Using webhook URL', { url: this.webhookUrl });
-      logger.debug('API key present', { present: !!this.apiKey });
-
-      const response = await fetchWithTimeout(this.webhookUrl, {
-        method: 'POST',
-        timeout: 30000, // 30 seconds
-        headers: {
-          'Content-Type': 'application/json',
-          'x-api-key': this.apiKey
-        },
-        body: JSON.stringify(cleanData),
+      logger.debug('API key present', { present: !!this.apiKey, length: this.apiKey ? this.apiKey.length : 0 });
+      logger.debug('Request payload size', { size: JSON.stringify(cleanData).length });
+      logger.debug('Request headers', { 
+        contentType: 'application/json',
+        hasApiKey: !!this.apiKey,
+        apiKeyPrefix: this.apiKey ? this.apiKey.substring(0, 4) + '...' : 'none'
       });
 
-      logger.debug('Webhook response', { status: response.status });
+      let response: Response;
+      try {
+        response = await fetchWithTimeout(this.webhookUrl, {
+          method: 'POST',
+          timeout: 30000, // 30 seconds
+          headers: {
+            'Content-Type': 'application/json',
+            'x-api-key': this.apiKey
+          },
+          body: JSON.stringify(cleanData),
+        });
+        
+        logger.debug('Webhook response received', { 
+          status: response.status,
+          statusText: response.statusText,
+          headers: Object.fromEntries(response.headers.entries())
+        });
+      } catch (fetchError) {
+        logger.error('Failed to send webhook request', {
+          error: fetchError instanceof Error ? fetchError.message : String(fetchError),
+          errorType: fetchError instanceof Error ? fetchError.name : typeof fetchError,
+          url: this.webhookUrl,
+          stack: fetchError instanceof Error ? fetchError.stack : undefined
+        });
+        throw fetchError;
+      }
 
       if (!response.ok) {
         const errorText = await response.text();