---
page_type: error
code: 50501
message: "50501: Programmable Chat: Message SID not provided"
level: ERROR
product: Programmable Chat
---

## Error - 50501

### Programmable Chat: Message SID not provided

#### Possible Causes

- Request does not contain required Message SID parameter.

#### Possible Solutions

- Confirm a valid Message SID is being passed in request.