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How to Resolve WhatsApp Error 131026

Quick Tips
  • The WhatsApp error 131026 is the failure of a message to send to a recipient.
  • This could be on your side due to an incorrect number, spam protection, or an authentication template error.
  • The problem could just as easily be from the user side, from outdated software, terms and conditions acceptance, or not using WhatsApp.

There may be times when your WhatsApp message fails to send to a user or a group of users. If you get WhatsApp error 131026 as an error message to explain things, you might be wondering how to fix it. In this article, we’ll be covering just that, offering you some troubleshooters to help you keep the conversation going.

What Causes WhatsApp Error 131026?

When you receive error code 131026 on WhatsApp, it means your message has failed to send. The ‘why’ of the matter comes down to a few possible causes:

  • The number you’re messaging isn’t on WhatsApp.
  • The person you’ve messaged has an outdated version of WhatsApp.
  • The person tied to the number has yet to accept a change in WhatsApp’s (or Meta’s) Ts & Cs.
  • There is an authentication template issue tied to any OTPs, authentication messages, etc., that you’re sending.

Fixing the Problem

This error code might not always be able to be fixed from your end alone. In fact, more often than not, it’s the recipient’s job to fix things. That said, let’s take a look at a few troubleshooters.

Check the Recipient Number

How to Resolve WhatsApp Error 131026 1

It might seem obvious, but there could be a chance the number you’re messaging is inaccurate. Double-check the number by tapping on the profile picture of the contact. Their number should be visible below the profile. Cross-check this with your contacts or the place you got the number from. The lack of a profile picture or other info could indicate it’s not a registered WhatsApp number.

Ease Off on The Promotional Messages

If you’re a business account or sending many messages using a platform or bot, then error 131026 could well be WhatsApp’s way of protecting users from spam. If this happens to you with accounts that have received messages up until the error, then it might be a sign to slow down on the frequency of promotional messages to stop triggering the error code.

Authentication Template Trouble

If your message is sending an authentication template, remember that not all regions and countries can receive them. What’s more, Meta has tightened its template security, meaning that authentication templates and marketing templates can be treated as the same. This itself can affect delivery.

To work past this, it’s important to check the wording and format of your messages so they are not seen as spam or a security threat.

Segment Your Messaging

If sending messages to multiple contacts, one problematic account might mean that no one gets anything, and you get an error code. If you can’t narrow down the account right away, try sending your message in smaller batches.

From the Recipient’s End

There’s much the recipient can do from their side to help. If possible, contact them through another platform or directly. Ensure that they:

  • Have fully updated their version of WhatsApp on all devices they’re using.
  • Have accepted any changes in Ts & Cs from Meta.
  • Ask them if the WhatsApp number they’ve provided you is correct.

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Last updated on 24 March, 2026

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