WhatsApp Error Code 131026: Message Undeliverable — Causes and Solutions
When broadcasting messages through WhatsApp (using platforms like BotSailor or direct Cloud API), you might sometimes face Error Code: 131026 – Message Undeliverable.
Here’s what it means and how you can handle it.
What Is Error Code 131026?
This error occurs when your message can’t be delivered to the recipient. It usually happens due to issues on the recipient’s side, not yours.
Main Reasons Behind Error 131026
- Not a WhatsApp Number: The recipient’s number is not registered on WhatsApp.
- Terms of Service Not Accepted: The user hasn’t accepted WhatsApp’s latest Terms and Privacy Policy.
- Outdated WhatsApp Version:
The recipient must use these or newer versions:- Android: 2.21.15.15
- iOS: 2.21.170.4
- KaiOS: 2.2130.10
- Web: 2.2132.6
- SMBA/SMBI (Business App): 2.21.15.15 / 2.21.170.4
How to Fix or Reduce It
- Verify Numbers: Ensure the contacts you’re messaging are active WhatsApp numbers.
- Ask for a Test Message: Request users to send you a WhatsApp message to confirm they can reach you.
- Remind Users to Accept Policies: Tell users to check and accept new Terms in WhatsApp settings.
- Encourage App Updates: Remind users to update to the latest WhatsApp version.
- Monitor Error Reports: Regularly check delivery reports and filter out numbers showing repeated errors.
