---
page_type: error
code: 50206
message: "50206: Programmable Chat: Identity should not match user SID pattern"
level: ERROR
product: Programmable Chat
---

## Error - 50206

### Programmable Chat: Identity should not match user SID pattern

#### Possible Causes

- Specified User's Identity matches User SID Pattern "US\[0-9a-f]{32}".

#### Possible Solutions

- Confirm a valid User's Identity is being passed in request.