Fix "Your Business AI Agent Is Already Linked to This Phone Number" (WhatsApp Coexistence) | WALoops
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Fix "Your Business AI Agent Is Already Linked to This Phone Number" (WhatsApp Coexistence)

Meta's error points to an "AI replies" menu that no longer exists. The real path to disconnect Meta Business Agent and fix WhatsApp coexistence errors.

WALoops team calendar_month schedule4 min read
In this guide
  1. What the error looks like
  2. Why does Meta block the connection?
  3. How to disconnect the Meta Business AI agent (real steps)
  4. Connect your WhatsApp Business number again
  5. Still stuck?

Quick answer: the error "Your Business AI agent is already linked to this phone number" means Meta's own AI agent (Meta Business Agent, also called Business AI) is still switched on in the WhatsApp Business app. Open WhatsApp Business, go to Tools > Meta Business Agent > Your AI Agent > Response settings, turn the AI agent off, then close the Facebook popup and connect your number again. Meta's error text points to a "Business Tools > Your Business AI > AI replies" menu that the current app doesn't have.

The short version
  • The error appears when you connect a WhatsApp Business app number to a WhatsApp API platform (Meta calls this coexistence) while Meta's own Business AI agent is still switched on for that number.
  • Meta's message tells you to go to Business Tools > Your Business AI > AI replies. That menu doesn't exist in the current app.
  • The real path: Tools > Meta Business Agent > Your AI Agent > Response settings, then turn the AI agent off for your number.
  • Then close the Facebook popup completely and start the connection again. The old popup keeps the old error.
  • If you first saw "Selected business CoEx gate evaluation is missing", it's usually the same cause: disconnect the AI agent and retry.

More businesses in India now use Meta's free AI agent inside the WhatsApp Business app to answer customers. It works fine on its own, but it blocks one thing: connecting the same number to the WhatsApp Business API with coexistence, so you can keep using the app and send automated messages from a platform such as WALoops.

We hit this with a client this week. Meta's error message points to a menu that isn't in the app any more, so here is what actually works.

What the error looks like

You start connecting WhatsApp, pick your business portfolio, enter your WhatsApp Business app number and press Next. The Facebook popup stops with:

Your Business AI agent is already linked to this phone number. Open the WhatsApp Business app, go to Business Tools > Your Business AI > AI replies, and Disconnect AI to unlink the agent.

Some people see a different error one step earlier, on the business profile screen, with the Next button greyed out:

Selected business CoEx gate evaluation is missing "CoEx" is coexistence. Meta runs an eligibility check before it lets a Business app number join the API, and this message means the check didn't pass. In our case the cause was the same AI agent: once it was removed, this error went away and the AI agent message above appeared instead, naming the real blocker.

Why does Meta block the connection?

Only one system can answer automatically on a number. When Meta's Business AI agent is on, it replies to your customers. If an API platform were connected at the same time, both would reply to the same chat, so Meta refuses the connection until the AI agent is unlinked.

Running out of the AI agent's monthly quota doesn't count. Even with the "Monthly AI usage limit reached" banner showing, the agent is still linked and still blocks the connection.

How to disconnect the Meta Business AI agent (real steps)

Do this on the phone that has the WhatsApp Business app for that number. These steps were tested in October 2026 on Android.

  1. Update WhatsApp Business from the Play Store or App Store, then open it.
  2. Tap the Tools tab at the bottom.
  3. Under Grow your business, tap Meta Business Agent ("Use an AI agent to respond to your customers 24/7").
  4. On Your AI Agent, scroll to Ways to control your AI and tap Response settings.
  5. Turn the AI agent off for your number (disconnect it), and confirm.
WhatsApp Business app: Tools tab with Meta Business Agent highlighted, and the Your AI Agent screen with Response settings highlighted
The real path in the current app: Tools > Meta Business Agent > Your AI Agent > Response settings. There is no "Business Tools > Your Business AI > AI replies" menu.
Menus change between app versions Meta renames these screens often. If you don't see Response settings, look for the AI agent under Tools or Business tools and find the option that stops it replying to customers. The goal is the same: the AI agent must not be linked to the number.

Connect your WhatsApp Business number again

  1. Close the Facebook popup completely. Don't press Back or Next in the old one. It remembers the old check and can show the same error again.
  2. In WALoops, click Connect WhatsApp again and log in with Facebook.
  3. Pick the same business portfolio and choose to connect your existing WhatsApp Business app number.
  4. On your phone, confirm the connection in the WhatsApp Business app (scan the QR code or accept the prompt).
  5. Choose to share your chat history if you want your existing chats in the WALoops inbox.

After this you keep using the WhatsApp Business app as before, and WALoops can send order updates, COD confirmations and cart reminders from the same number.

Still stuck?

  • Same error right after disconnecting: wait 10 to 15 minutes and try again in a fresh browser window. Meta's check doesn't always update at once.
  • "CoEx gate evaluation is missing" with no AI agent on: try creating a new business portfolio in the popup instead of choosing the existing one, and make sure the number has been in normal use on the Business app (not brand new).
  • Want to keep Meta's AI agent? You can't use it and an API platform on the same number. WALoops has its own AI agent that answers from your catalogue and hands over to a person when needed.
  • Need help? Message our support team on WhatsApp and we'll connect it with you on a call.
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Questions people ask

Where is "AI replies" in the WhatsApp Business app? expand_more
In the current app there is no "Business Tools > Your Business AI > AI replies" menu. Go to Tools > Meta Business Agent > Your AI Agent > Response settings and turn the AI agent off for your number.
What does "Selected business CoEx gate evaluation is missing" mean? expand_more
CoEx means coexistence: using a WhatsApp Business app number on the API while keeping the app. Meta checks the business before allowing it, and this message means the check did not pass. A linked Meta Business AI agent is a common cause; disconnect it and start the connection again in a new popup.
Will disconnecting the Meta AI agent delete my chats? expand_more
No. Turning the AI agent off only stops it replying. Your chats, contacts and catalogue stay in the WhatsApp Business app.
Can I use Meta's Business AI agent and WALoops on the same number? expand_more
No. Only one system can answer automatically on a number. Once connected, you can use the WALoops AI agent instead, which answers from your products and hands over to a person.

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