---
page_type: error
code: 50414
message: "50414: Participant address type does not match proxy address type"
level: ERROR
product: Programmable Chat
---

## Error - 50414

### Conversations: Participant address type does not match proxy address type

The provided participant address mismatches the proxy address channel type.

#### Possible Causes

- MessagingBinding.Address and MessagingBinding.ProxyAddress passed to the API do not belong to the same communication channel.

#### Possible Solutions

- Ensure that both MessagingBinding.Address and MessagingBinding.ProxyAddress are both of the same type, e.g. both SMS or both WhatsApp.