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WhatsApp Error Logs: Troubleshooting guide

Desirée M Updated by Desirée M

When you send WhatsApp Message Templates through Landbot, you might sometimes see errors in your logs.

These errors come from Meta (WhatsApp) and can be caused by things like invalid numbers, delivery restrictions, or template issues. Below is a guide to help you understand the most common errors and what you can do about them.

You can also check it directly in Meta's error code documentation.

📍 Where to Check Errors

In your WhatsApp Channel, go to the Logs tab.

Once there, you’ll see two types of logs: Templates sent and Errors. For troubleshooting, you’ll want to focus on the Errors section.

In the error logs, you’ll find details such as the affected contact, their phone number, a timestamp, and the error code returned by Meta.

Errors can happen for different reasons. In most cases, you’ll notice something went wrong when a contact you expected to reach didn’t receive the message template.

Click on the error to display the full response:

Below, we’ll go through the most common errors returned by Meta.

Common Error Codes & What They Mean

🚫 131026 – Message Undeliverable

This means WhatsApp was unable to deliver the template message. Common reasons include:

• The phone number isn’t a valid WhatsApp number.

• The recipient hasn’t accepted the latest WhatsApp Terms of Service.

• The recipient’s WhatsApp version is too old and can’t receive templates

(see error code for more info)

⚠️ 131049 – Meta chose not to deliver

Meta chose not to deliver this message in order to maintain a healthy engagement ecosystem.

This usually means WhatsApp has temporarily limited message delivery to this user, often due to per-user marketing message limits or engagement signals.

What to do:

• Use a more appropriate template category. For example, choose Utility instead of Marketing if your content isn’t purely promotional.

• Improve the quality of your content so it does not feel like SPAM.

• Avoid sending too many messages to the same user at once.

• See Per-User Marketing Template Message Limits for additional information

See error code for more info

🧪 130472 – Number Part of an Experiment

Sometimes Meta runs experiments with select users. If a number is part of a test group, this error might appear even if everything else is correct.

What to do: There’s no action required here, it’s a WhatsApp-side experiment that may resolve itself.

⏱️ 131056 – Rate Limit Hit Between Accounts

This means you hit a communication limit between your business account and the user.

What to do:

• Wait a little and try again later if you want to send a message to the same contact.

• If your bot has many messages being sent without requiring user input, it might also trigger this error.

🚨 131048 – Spam or Daily Limit Reached

This appears when:

• You’ve hit your daily message limit from Meta, or

• WhatsApp has flagged your content as spam.

What to do:

• Check your Quality status in WhatsApp Manager.

• Improve message relevance and opt-in quality. Ensure users are subscribed and consider sending fewer or more engaging messages.

• Try sending to smaller groups (for example, segments of ~500 users).

💳 131042 – Business Eligibility / Payment Issue

This error occurs when there’s an issue with your WhatsApp Business Account’s payment or billing setup.

Sometimes, Meta updates can accidentally disconnect your account from its payment credit line. If that happens, contact our support team and we’ll help you resolve it.

Also, make sure your WABA’s currency is set to EUR. If it isn’t, you’ll need to repeat the integration using a new WABA in EUR.

🛠️ Other Situations & Fixes

Basic troubleshooting for templates:

Template Submission Failed

You were trying to submit a new Template but get the following error:

  • There could be an issue with your WhatsApp Business Account (WABA) setup. Check your account through this link.
  • The template content may have missing fields or formatting errors. You'll find all the details for creating templates here, and Meta's Template requirements here.
  • Try renaming the template and submitting again.
Always make sure templates follow WhatsApp’s formatting rules (clear language, correct variables, etc.) to reduce rejection risk.
Template Not Showing in Landbot

If you see your template in Meta but not in Landbot:

  • Use the Sync button in the Templates section to refresh them.
  • This also helps after updating or deleting a template on Meta’s side.

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