131021
WhatsApp error 131021 Sender and recipient numbers are the same
Needs action from you first
You fix this
Sending and connection errors
Short answer
The message can't be sent to the sender's own number. The recipient number used is the same as your business number, and WhatsApp does not allow that.
Checked against Meta docs on
2026-08-24
Official source
- Sara Delivered
- Karl Failed 131021Sender and recipient numbers are the same
How to fix it
- Change the recipient to a number different from your business number.
- Send again after correcting it.
Meta's official wording for this code
Description
Sender and recipient phone number is the same.
Meta's suggested solution
Send a message to a phone number different from the sender.
Other codes in the same category
Common questions about this code
What does WhatsApp error 131021 mean?
The message can't be sent to the sender's own number. The recipient number used is the same as your business number, and WhatsApp does not allow that.
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.