build fix

app/api/admin/restore-credentials/route.ts

@@ -78,11 +78,19 @@ export async function GET(request: Request) {
           console.log(`Created placeholder user ${userId}`);
         }
         
-        // Upsert credentials in database
+        // Find existing credentials first
-        await prisma.mailCredentials.upsert({
+        const existingCredentials = await prisma.mailCredentials.findFirst({
-          where: { userId },
+          where: { 
-          update: {
+            userId,
-            email: creds.email,
+            email: creds.email
+          }
+        });
+
+        if (existingCredentials) {
+          // Update existing credentials
+          await prisma.mailCredentials.update({
+            where: { id: existingCredentials.id },
+            data: {
               password: creds.encryptedPassword || 'encrypted_placeholder',
               host: creds.host,
               port: creds.port,
@@ -93,8 +101,12 @@ export async function GET(request: Request) {
               ...(creds.smtp_secure !== undefined && { smtp_secure: creds.smtp_secure }),
               ...(creds.display_name && { display_name: creds.display_name }),
               ...(creds.color && { color: creds.color })
-          },
+            }
-          create: {
+          });
+        } else {
+          // Create new credentials
+          await prisma.mailCredentials.create({
+            data: {
               userId,
               email: creds.email,
               password: creds.encryptedPassword || 'encrypted_placeholder',
@@ -109,6 +121,7 @@ export async function GET(request: Request) {
               ...(creds.color && { color: creds.color })
             }
           });
+        }
         
         results.success++;
         console.log(`Successfully restored credentials for user ${userId}`);