---
page_type: error
code: 63032
message: >-
  63032: We cannot send this message to this user because of a WhatsApp
  limitation. 
level: ERROR
product: Programmable SMS
---

## Description

User's number is part of an experiment.

### Possible Causes

Failed to send message because this user's phone number is part of an experiment.

### Possible Solutions

Skip sending messages to this user.