---
page_type: error
code: 50351
message: "50351: Conversation SID not provided"
level: ERROR
product: Programmable Chat
---

## Error - 50351

### Conversations: Conversation SID not provided

Conversation SID parameter is required but was not provided.

#### Possible Causes

Your API request did not include a ConversationSid form parameter.

#### Possible Solutions

Add a valid ConversationSid parameter to the API request, making sure you haven't spelled the parameter name wrong.