---
page_type: error
code: 52051
message: "52051: Internal error when sending notification via client connection"
level: ERROR
product: Notifications
---

## Error - 52051

### Internal error when sending notification via client connection

#### Possible Causes

- Our client connection gateway is potentially unavailable. We apologize.

#### Possible Solutions

- Check our [status page](http://status.twilio.com) to see if we are having an outage.
- If our status page has no information, [contact support](https://www.twilio.com/help/contact) with details about the requests that are failing, and we will investigate.