---
page_type: error
code: 64004
message: "64004: Pay: Invalid paymentConnector attribute in TwiML."
level: ERROR
product: Programmable Voice
---

## Error - 64004

### Pay: Invalid paymentConnector attribute in TwiML.

A 64004 Error is an indication that the value provided with paymentConnector attribute of Pay verb does not match to a Pay Connector configuration. See the [Pay Verb](/docs/voice/twiml/pay#paymentconnector) API Reference.

#### Possible Solutions

- Make sure that the paymentConnector matches a Unique Name in the \<Pay> Connector. Go to [this page](/console/voice/pay-connectors) for a list of your Connectors.