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WhatsApp error 0 WhatsApp no longer accepts your connection
Needs action from you first
You fix this
Authorization errors
Short answer
WhatsApp could not confirm that your account is still authorised, so the action was not carried out. Usually the access token has expired or been invalidated, or a setting was changed on the account that stops apps from reaching its data.
Checked against Meta docs on
2026-08-24
Official source
- Sara Delivered
- Karl Failed 0WhatsApp no longer accepts your connection
How to fix it
- Reconnect your WhatsApp channel so a new access token is issued.
- Check that the account has not been set to prevent apps from reaching its data.
- Repeat the action after the connection is complete.
Meta's official wording for this code
Description
We were unable to authenticate the app user.
Meta's suggested solution
Typically this means the included access token has expired, been invalidated, or the app user has changed a setting to prevent all apps from accessing their data. Get a new access token.
Other codes in the same category
Common questions about this code
What does WhatsApp error 0 mean?
WhatsApp could not confirm that your account is still authorised, so the action was not carried out. Usually the access token has expired or been invalidated, or a setting was changed on the account that stops apps from reaching its data.
Can I just send the message again?
Not before the cause is addressed. Complete the steps above, then send again.
Is this a problem with my account?
You resolve this from your own account settings.
Still hitting this error?
Send us the code and a screenshot and we will read it with you. With LetsBot, the reason each message failed appears next to it in the campaign report instead of a bare number.