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WhatsApp Coexistence Errors and Solutions ​

Overview ​

The WhatsApp Coexistence feature allows businesses to use both the WhatsApp Business app and the WhatsApp Business API infrastructure on the same phone number. This setup makes communication between teams easier to manage and helps streamline operational processes.

However, since the feature was recently introduced by Meta, technical issues may occasionally occur during setup and the Embedded Signup process.

In this guide, we cover the most common issues, their possible causes, and the recommended solutions in detail.

1. Phone Number Appears Ineligible ​

What Is the Issue? ​

During setup, you may receive an error message similar to the following:

"Your phone number is not eligible to connect to the WhatsApp Business Platform."

Possible Causes ​

Meta may require the phone number being used to have a certain usage history on the WhatsApp Business app. Newly created numbers or numbers without sufficient usage history may not be eligible.

What to Do ​

  • Use the phone number actively and engage in real conversations.
  • It is recommended that the number has at least a few days of active usage history.
  • Avoid deleting and re-registering the number. Doing so may reset its usage history.
  • If the number was previously used on a WABA account, the old API connection should be removed and the number should be used again on the WhatsApp Business app.

2. Country or Region Support Issues ​

What Is the Issue? ​

Some phone numbers may not be eligible for the Coexistence feature due to their country code.

Possible Causes ​

Meta may temporarily limit Coexistence usage in certain regions. This may be related to regulations, technical infrastructure, or service policies.

What to Do ​

  • A phone number from a region supported by Meta must be used.
  • Since the list of supported regions can change over time, Meta announcements should be monitored.
  • If the feature is not yet supported, only the WhatsApp Business app can be used temporarily.

3. Number Previously Used on WhatsApp Business API ​

What Is the Issue? ​

During setup, you may see an error similar to the following:

"This number is already registered to an existing WhatsApp account."

Possible Causes ​

If the phone number was previously connected to a WhatsApp Business API account, a certain waiting or review period may be required before it can be reused.

What to Do ​

  • First, the existing WABA connection should be removed via the previous API provider.
  • The number should then be registered again on the WhatsApp Business app.
  • It is recommended that the number be actively used for a period of time.
  • Attempting to recreate the API connection within a very short time may cause eligibility issues.

4. Chat Synchronization Delay or Failure ​

What Is the Issue? ​

Message history and contact data may not synchronize for a long time, or the process may fail to complete.

Possible Causes ​

This is typically caused by the following:

  • A large amount of chat history
  • Weak internet connection
  • The app being closed in the background during synchronization

What to Do ​

  • It is recommended to keep the app open during synchronization.
  • Keeping the phone screen unlocked can help the process run more smoothly.
  • A strong and stable internet connection should be used.
  • For large data transfers, the process may take several hours, which is normal.
  • If necessary, the QR code can be scanned again to restart the process.
  • The latest version of the WhatsApp Business app should be used.

5. QR Code Not Displaying or Failing to Scan ​

What Is the Issue? ​

During the Embedded Signup process, the QR code may not appear, or scanning may fail.

Possible Causes ​

  • The app is not up to date
  • Setup steps were not followed correctly
  • Camera-related issues
  • Temporary service issues on Meta's side

What to Do ​

  • Make sure the WhatsApp Business app is up to date.
  • The QR code generation steps should be followed carefully.
  • The phone's camera should be checked to ensure it is working properly.
  • The scanning process should be retried in good lighting conditions.
  • If the issue persists, the app can be uninstalled and reinstalled.

6. Facebook Page Connection Issues ​

What Is the Issue? ​

The WhatsApp Business account may not be able to connect to a Facebook page, or the connection process may not complete.

Possible Causes ​

  • No Facebook page exists
  • The Meta Business account is not fully configured
  • The user does not have the required admin permissions

What to Do ​

  • A Facebook page can be created via the WhatsApp Business app.
  • It should be verified that the account in use has admin permissions.
  • Business information in the Meta Business account should be filled in completely.

7. Inability to Disable the Coexistence Feature ​

What Is the Issue? ​

The WhatsApp API panel may not include a direct option to turn off the Coexistence feature.

Possible Causes ​

This feature may not be offered as a standalone management option within the API interface.

What to Do ​

  • In the WhatsApp Business app:
    • Settings
    • Account
    • Business Platform The connection can be removed by following these steps.
  • Uninstalling the app directly is not recommended.

8. Synchronization Issues with Unsupported Devices ​

What Is the Issue? ​

Messages sent from some companion devices may not synchronize to the API side.

Possible Causes ​

Some of WhatsApp's companion device applications may not be fully supported under Coexistence.

What to Do ​

  • It is recommended to use supported platforms such as WhatsApp Web or WhatsApp for Mac.
  • Messages sent from unsupported devices may not appear on the platform interface.
  • The list of supported devices can be updated by Meta over time.

9. Inability to Change Business Name Later ​

What Is the Issue? ​

After Coexistence is activated, the business name may no longer be editable.

Possible Causes ​

Meta may lock the business name in order to maintain brand consistency between the Business App and the API side.

What to Do ​

  • The business name should be carefully reviewed before setup.
  • Name information on both the WhatsApp Business and Meta Business Manager sides should be verified.
  • If a change is needed after setup, it may be necessary to contact Meta or the BSP provider in use.

Recommendations for a Smoother Setup ​

  • The latest version of the WhatsApp Business app should be used.
  • Make sure the phone number has sufficient usage history.
  • It is recommended to manually back up important messages before setup.
  • Working with trusted solution partners and official providers is advised.

Conclusion ​

WhatsApp Coexistence provides businesses with significant advantages by enabling them to use both the WhatsApp Business app and the WhatsApp Business API infrastructure on the same phone number.

While some technical issues may arise during setup, most problems can be resolved by following the correct steps. Proceeding carefully through the process and performing the necessary checks will ensure a more stable and trouble-free experience.

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