Try catch the request

src/routes/api/newsletter/+server.ts

@@ -26,6 +26,9 @@ export const POST = (async ({ request, fetch }) => {
             email_address: email,
         })
     })
+
+    try {
+        if (req.ok) {
             const res = await req.json()
             console.log('server API response:', res)
 
@@ -38,4 +41,8 @@ export const POST = (async ({ request, fetch }) => {
                 success: true,
                 message: res.status,
             })
+        }
+    } catch (err) {
+        console.error(err)
+    }
 }) satisfies RequestHandler