# 60531: SNA Carrier Not Detected

Log Type: TWILIO

Log Level: ERROR

## Description

### Possible causes

The Verification request was received and failed due to being unable to identify the carrier from the detected IP address. This can happen if the end user is connected to WiFi during the Verification process.

### Possible solutions

* Check that the mobile client is using a mobile data connection to invoke the SNA URL, not WiFi.
* Retry Verification using a channel other than Silent Network Auth for this end user.