# WhatsApp Messages Not Sending? Identify the Error in 60 Seconds

> A 60 second diagnostic for WhatsApp Business API errors. Enter error code 131026, 131049, 130472 or another and get the fix for it.

Message failures on WhatsApp are rarely system outages. They're usually policy signals or delivery health issues. This tool helps you identify exactly what's happening and what to do next.

## Find Your Error Below

Search by error code or description to find your solution.

131026 · Delivery · Message Undeliverable (Error 131026) · Your message was blocked at delivery time. Common causes include invalid phone numbers, expired 24-hour windows, or template mismatches. · Fix Error 131026 · 131049 · Delivery · Healthy Ecosystem Block (Error 131049) · WhatsApp has temporarily suppressed your messages to protect user experience. Recovery requires improving engagement health. · Recover from Error 131049 · 131060 · Delivery · Companion Device Issue (Error 131060) · Message sent from a companion device in Coexistence mode cannot be viewed through the API. Check your WhatsApp Business App. · Fix Error 131060 · Template · Delivery · Template Name Not Found · 24-hour window expired and you tried to send a free-form message. Use a pre-approved template to re-engage the customer. · Understand the 24-Hour Rule · 131042 · Billing · Payment Issue (Error 131042) · Your WhatsApp Business API is blocked due to a payment or eligibility issue. Wait 72 hours and avoid retrying excessively. · Fix Error 131042 · Payment · Billing · Add Payment Method Required · You need to configure a payment method in Meta Business Portfolio before sending broadcast campaigns. · Set Up Payment Method · 459 · Permissions · Meta Error 459 - Session Authorization · Your Facebook session expired or permissions were revoked. Reauthorize your connection in Settings. · Fix Error 459 · Session · Permissions · Session Has Expired · Your Facebook access token expired. Reauthorize with Facebook to get a fresh token. · Fix Session Expired · #3 · Permissions · API Granular Permission Error (#3) · Required API permissions are missing. Reauthorize and grant all requested permissions. · Fix Permission Error · #200 · Permissions · No Permission to Send (Error #200) · You lack permissions to send messages on behalf of this WhatsApp Business Account. · Fix Error #200 · Login · Permissions · Facebook Login Verification Required · Meta's security systems require the admin account to complete a verification step on Facebook. · Complete Verification · Eligibility · Setup · Phone Number Not Eligible · Your phone number cannot connect to the Business Platform. Increase app activity and try again. · Fix Eligibility Issue · INBOX · Setup · Already Registered with INBOX · Your number is connected to another platform. Disconnect from the existing partner first. · Disconnect & Migrate · Disconnected · Setup · End-to-End Encrypted (Disconnected) · Yellow "end-to-end encrypted" text means your API connection is broken. Re-onboard your number. · Restore Connection · Banned · Account · Account Can No Longer Use WhatsApp · Your account has been banned. Submit a review request through Meta Direct Support to appeal. · Appeal Your Ban · Unban · Account · How to Unban Your Account · Complete guide to appealing a WhatsApp ban, including email templates and the official process. · Unban Guide

## Messages Failing Without an Error Code?

Sometimes WhatsApp suppresses messages silently. Here's how to investigate.

### Check 24-Hour Window

If the customer hasn't messaged in 24 hours, you need an approved template to reach them.

Learn about the 24-hour rule

### Review Quality Rating

Low quality scores cause silent delivery failures. Check your rating in Meta Business Suite.

What if my quality rating is Low?

### Verify Connection

Disconnected channels fail silently. Check that your WhatsApp connection is active.

Troubleshoot connection

## Why WhatsApp Blocks Messages

WhatsApp is built on user trust. Unlike email or SMS, WhatsApp actively protects users from unwanted messages. When your messages are blocked, it's almost always an intentional safeguard, not a technical glitch.

### WhatsApp prioritises user experience

Meta monitors engagement rates, user reports, and message patterns. Businesses with low engagement or high block rates get delivery restrictions to protect users.

### Blocks are signals, not punishments

Most delivery blocks are temporary warnings. They indicate that something in your messaging strategy needs adjustment, not that you've been permanently banned.

### Recovery is possible

Unlike an email blacklist, a WhatsApp restriction lifts once you address the underlying issue. WhatsApp does not publish how long that takes, so the thing you control is identifying the cause quickly.

### Prevention beats recovery

Businesses that maintain healthy engagement rates, respect opt-in requirements, and monitor quality scores rarely encounter delivery issues.

Critical Warning

## What NOT to Do When Messages Fail

These common reactions often make the situation worse. Avoid these mistakes to protect your WhatsApp reputation.

#### Re-sending the same failed message repeatedly

Each retry counts against your quality score and can trigger ecosystem blocks.

#### Broadcasting to cold contacts

Users who haven't engaged recently are more likely to ignore or report your messages.

#### Changing numbers to bypass blocks

WhatsApp detects this pattern and may permanently restrict your business.

#### Ignoring opt-in requirements

Messaging users without explicit consent violates WhatsApp policy and triggers blocks.

#### Increasing volume to "test" delivery

Sudden volume spikes are a spam signal and accelerate restrictions.

## When to Escalate for Help

Some issues can't be solved with self-service troubleshooting. Here's when to seek expert assistance.

### Repeated delivery suppression

If messages keep failing after following troubleshooting steps, there may be a deeper account health issue.

### Declining engagement rates

Dropping quality scores or increasing block rates signal systemic issues that need strategic intervention.

### Business-critical outages

When WhatsApp is your primary customer channel and delivery issues are impacting revenue.

### Template rejections blocking operations

When critical templates keep getting rejected and you need expert guidance on policy compliance.

If WhatsApp is a core revenue channel for your business, delivery health matters.

Don't wait until restrictions become permanent.

Start WhatsApp Business Today · WhatsApp Business Guide

## Frequently Asked Questions

Common questions about WhatsApp message failures and delivery issues.

### 

WhatsApp messages fail for several reasons: expired 24-hour windows, invalid phone numbers, template violations, low engagement scores, or policy violations. The error code in your dashboard will indicate the specific cause.

### 

Yes. WhatsApp uses "soft blocks" that suppress message delivery without fully banning your account. These are typically triggered by low engagement rates or user complaints. Your account remains active, but messages won't reach recipients until engagement health improves.

### 

WhatsApp does not publish how long message suppression lasts. What you can act on is your quality rating, which Meta bases on the past seven days of customer feedback. The key to recovery is improving engagement metrics, not waiting.

### 

In almost all cases, no. WhatsApp delivery errors are intentional safeguards, not bugs. Meta designs these blocks to protect users from unwanted messages. If messages were delivering yesterday and stopped today, the cause is almost always a policy or engagement issue.

### 

Yes. Every failed retry is logged and affects your quality score. Repeatedly attempting to send blocked messages signals spam behaviour and can extend or worsen restrictions. Always identify the root cause before retrying.

Meta Business Partner

## WhatsApp Expertise for Singapore SMEs

Voltade works closely with WhatsApp-first SMEs across Singapore. We've helped businesses navigate delivery issues, engagement health problems, and policy enforcement, often resolving issues within hours.

- Direct experience with Meta's support escalation process
- Proven strategies for recovering from delivery blocks
- Singapore-based team with local business understanding

Talk to a Specialist · Check Your Delivery Health

## Links

- [131026DeliveryMessage Undeliverable (Error 131026)Your message was blocked at delivery time. Common causes include invalid phone numbers, expired 24-hour windows, or template mismatches.Fix Error 131026](https://voltade.com/sg/learn/whatsapp/whatsapp-error-131026-message-undeliverable)
- [131060DeliveryCompanion Device Issue (Error 131060)Message sent from a companion device in Coexistence mode cannot be viewed through the API. Check your WhatsApp Business App.Fix Error 131060](https://voltade.com/sg/learn/whatsapp/whatsapp-error-131060-companion-device)
- [TemplateDeliveryTemplate Name Not Found24-hour window expired and you tried to send a free-form message. Use a pre-approved template to re-engage the customer.Understand the 24-Hour Rule](https://voltade.com/sg/learn/whatsapp/whatsapp-error-template-name-not-found)
- [131042BillingPayment Issue (Error 131042)Your WhatsApp Business API is blocked due to a payment or eligibility issue. Wait 72 hours and avoid retrying excessively.Fix Error 131042](https://voltade.com/sg/learn/whatsapp/whatsapp-error-131042-payment-issue)
- [PaymentBillingAdd Payment Method RequiredYou need to configure a payment method in Meta Business Portfolio before sending broadcast campaigns.Set Up Payment Method](https://voltade.com/sg/learn/whatsapp/whatsapp-error-add-payment-method)
- [459PermissionsMeta Error 459 - Session AuthorizationYour Facebook session expired or permissions were revoked. Reauthorize your connection in Settings.Fix Error 459](https://voltade.com/sg/learn/whatsapp/meta-error-459-checkpoint)
- [SessionPermissionsSession Has ExpiredYour Facebook access token expired. Reauthorize with Facebook to get a fresh token.Fix Session Expired](https://voltade.com/sg/learn/whatsapp/whatsapp-error-session-expired)
- [#3PermissionsAPI Granular Permission Error (#3)Required API permissions are missing. Reauthorize and grant all requested permissions.Fix Permission Error](https://voltade.com/sg/learn/whatsapp/whatsapp-error-api-granular-permission)
- [#200PermissionsNo Permission to Send (Error #200)You lack permissions to send messages on behalf of this WhatsApp Business Account.Fix Error #200](https://voltade.com/sg/learn/whatsapp/whatsapp-error-200-no-permission-send-messages)
- [LoginPermissionsFacebook Login Verification RequiredMeta's security systems require the admin account to complete a verification step on Facebook.Complete Verification](https://voltade.com/sg/learn/whatsapp/whatsapp-error-facebook-login-verification)
- [EligibilitySetupPhone Number Not EligibleYour phone number cannot connect to the Business Platform. Increase app activity and try again.Fix Eligibility Issue](https://voltade.com/sg/learn/whatsapp/whatsapp-error-phone-number-not-eligible)
- [INBOXSetupAlready Registered with INBOXYour number is connected to another platform. Disconnect from the existing partner first.Disconnect & Migrate](https://voltade.com/sg/learn/whatsapp/whatsapp-error-already-registered-inbox)
- [DisconnectedSetupEnd-to-End Encrypted (Disconnected)Yellow "end-to-end encrypted" text means your API connection is broken. Re-onboard your number.Restore Connection](https://voltade.com/sg/learn/whatsapp/whatsapp-disconnected-end-to-end-encrypted)
- [BannedAccountAccount Can No Longer Use WhatsAppYour account has been banned. Submit a review request through Meta Direct Support to appeal.Appeal Your Ban](https://voltade.com/sg/learn/whatsapp/whatsapp-error-account-can-no-longer-use)
- [UnbanAccountHow to Unban Your AccountComplete guide to appealing a WhatsApp ban, including email templates and the official process.Unban Guide](https://voltade.com/sg/learn/whatsapp/how-to-unban-whatsapp-account)
- [Learn about the 24-hour rule](https://voltade.com/sg/learn/whatsapp/whatsapp-24hr-rule)
- [WhatsApp Business Guide](https://voltade.com/sg/learn/whatsapp/what-is-whatsapp-business-api)