Troubleshooting FB Messaging
This page explains common Facebook Messenger error messages and what to do about each one. These errors come directly from Facebook — they are not generated by Boxify. You can also find a full list of Facebook error codes on the Facebook developer site.
”Message failed to send” — outside the 24-hour window
Section titled “”Message failed to send” — outside the 24-hour window”Failed to send : This message cannot be sent outside of the allowed 24-hour windowWhy it happens: The customer has not sent any message to your page in the past 24 hours, so the messaging window has closed.
What to do:
- Ask the customer to send a message to your page — for example,
hiorcart— to reopen the window. - Resend the message once the window is open.
”This Page is not allowed to send messages”
Section titled “”This Page is not allowed to send messages””Why it happens: Facebook has placed a messaging restriction on your page due to a Page Quality warning, spam detection, or a security trigger.
What to do:
- Check your Page Quality in Facebook Page Settings.
- Review your Support Inbox for any restriction notices.
- Reduce any messaging behavior that Facebook may consider spam.
If the restriction remains, wait for Facebook to lift it automatically.
”Permission Error” / “Invalid OAuth Access Token”
Section titled “”Permission Error” / “Invalid OAuth Access Token””Why it happens: Your Facebook page permission has expired or the page has been disconnected from Boxify.
What to do:
- Go to the Boxify login page.
- Click Login with Facebook or Login with Facebook For Business.
- Reconnect your Facebook Page.
- If the problem continues, remove the Boxify app from Facebook and re-add it.
”User not reachable” / “Cannot send message to this user”
Section titled “”User not reachable” / “Cannot send message to this user””"message": "(#200) This person isn't available right now.","type": "OAuthException","code": 200,"error_subcode": 1545041Why it happens: The customer has blocked your page, deactivated their account, or has privacy settings that prevent your page from messaging them.
What to do:
- Ask the customer to send a message to your page directly.
- Confirm they have not blocked your page.
If they are still unreachable, the restriction is on their side and cannot be resolved from your end.
”Rate limit exceeded” / “Application request limit reached”
Section titled “”Rate limit exceeded” / “Application request limit reached””Why it happens: You have reached Facebook’s messaging quota by sending too many messages in a short time.
What to do:
- Pause sending messages temporarily.
- Avoid sending large bursts of similar messages.
- Encourage customers to message your page first — this opens the window and reduces quota pressure.
The quota resets automatically based on Facebook’s platform rules.
”Spam detected” / “Your account appears to be sending spam”
Section titled “”Spam detected” / “Your account appears to be sending spam””Why it happens: Facebook detected repetitive automated replies, high user spam reports, or engagement bait behavior.
What to do:
- Reduce repetitive or identical messages.
- Avoid sending the same broadcast message to many users at once.
- Check your Page Quality and address any flags.
Some restrictions are temporary and will lift on their own.
”Content blocked” / “Message violates community standards”
Section titled “”Content blocked” / “Message violates community standards””message: (#2022) You have been temporarily blocked from performing this action.Why it happens: Your message contains words or content that Facebook’s policy system flagged.
What to do:
- Review the content of your message.
- Remove or rephrase any sensitive or flagged wording.
- Keep message text simple and direct.
How to handle any error efficiently
Section titled “How to handle any error efficiently”- Read the error message carefully.
- Match it to the list above.
- Follow the steps for that error.
- If the issue continues after following all steps, contact Boxify Support.
When to contact Boxify Support
Section titled “When to contact Boxify Support”Contact support if:
- You reconnected your page but still cannot send messages
- Multiple customers are reporting the same issue
- The error has persisted for more than 24 hours
- You cannot identify the error from this list
When contacting support, please include:
- A screenshot of the error
- Your page name
- The time the error occurred
- The affected customer (if applicable)
Note on deleted conversations
Section titled “Note on deleted conversations”If a customer deletes the conversation with your page, you can still send them a message by searching for them in Facebook Messenger. They will receive a request to start a new conversation, and no error will be generated.
For more information on Messenger privacy and policies, visit the Facebook Messenger Help Center.
See also: