diff --git a/src/lib/wapi/functions/check-send-exist.js b/src/lib/wapi/functions/check-send-exist.js
index f8f293744..af3c048aa 100644
--- a/src/lib/wapi/functions/check-send-exist.js
+++ b/src/lib/wapi/functions/check-send-exist.js
@@ -151,7 +151,13 @@ export async function sendExist(chatId, returnChat = true, Send = true) {
   }
   let ck = await window.WAPI.checkNumberStatus(chatId);
 
-  if (ck.status === 404 && !ck.id._serialized.includes('@g.us')) {
+  if (
+    ck.status === 404 &&
+    ck.id &&
+    ck.id._serialized &&
+    ck.id._serialized.include &&
+    !ck.id._serialized.include('@g.us')
+  ) {
     return WAPI.scope(chatId, true, ck.status, 'The number does not exist');
   }