Lỗi WhatsApp

What It Means

The phone number format is incorrect or not supported.

Common Causes

• Missing country code (e.g., +1 for US)
• Invalid characters (letters, special chars)
• Number too short/long for country
• Country not supported

How to Fix

1. 1.Check country code is included (+1, +91, etc.)
2. 2.Remove spaces, dashes, parentheses
3. 3.Verify number length (10-15 digits typical)
4. 4.Check supported countries list

What It Means

The message exceeds the maximum character limit.

Common Causes

• Message body >4096 characters
• Template variables not properly substituted
• Special characters taking extra bytes

How to Fix

1. 1.Keep messages under 4096 characters
2. 2.Split long messages into multiple sends
3. 3.Use templates for consistent length
4. 4.Test message length before sending

What It Means

You've sent too many messages too quickly.

Common Causes

• Sending >80 messages per second
• Burst sending without delays
• Account quality rating is low (Yellow/Red)

How to Fix

1. 1.Add delays between messages (50-100ms)
2. 2.Use batch sending with rate limiting
3. 3.Improve account quality rating
4. 4.Contact support for rate limit increase

What It Means

The template is not approved or doesn't exist.

Common Causes

• Template not submitted for approval
• Template approval pending
• Template rejected by Meta
• Template name misspelled

How to Fix

1. 1.Check template is approved in Settings
2. 2.Wait for Meta approval (24 hours)
3. 3.Review rejection reason and resubmit
4. 4.Verify template name spelling

What It Means

The message type is not supported for this contact.

Common Causes

• Contact doesn't support interactive messages
• Older WhatsApp version on contact's phone
• Message type not available in region

How to Fix

1. 1.Use text messages as fallback
2. 2.Check contact's WhatsApp version
3. 3.Use supported message types only
4. 4.Contact support for regional issues

What It Means

Your WhatsApp Business Account has been suspended.

Common Causes

• Violating Meta policies (spam, abuse)
• Low quality rating (Red)
• Sending prohibited content
• Account security issue

How to Fix

1. 1.Check suspension reason in Settings
2. 2.Review Meta policies
3. 3.Appeal suspension if unjustified
4. 4.Contact support for help

What It Means

The contact doesn't exist or is not a valid WhatsApp user.

Common Causes

• Phone number not registered on WhatsApp
• Contact deleted their WhatsApp account
• Typo in phone number

How to Fix

1. 1.Verify phone number is correct
2. 2.Ask contact to install WhatsApp
3. 3.Check contact has WhatsApp account
4. 4.Try again after 24 hours

What It Means

You don't have consent to message this contact.

Common Causes

• Contact hasn't opted in
• Consent expired
• Contact unsubscribed

How to Fix

1. 1.Get explicit consent from contact
2. 2.Use transactional messages only
3. 3.Check consent status in Contacts
4. 4.Re-request consent if expired