# 40133: TaskRouter->Dequeue

Log Level: ERROR

## Description

### Possible causes

* Un-routable address provided for "to" field.
* Invalid caller-id passed to "from" field.
* Internal Twilio API error.

### Possible solutions

* Make certain "to" contains a routable phone number, client URI or SIP URI.
* Make certain "to" is to a country you have permissions set to call.
* Make certain "from" contains an acceptable caller ID for the chosen "to" address.

### Example

```bash
{
	"instruction": "dequeue",
	"to": "client:alice",
	"from": "18001234567",
	"post_work_activity_sid": "WA0123456789abcdef0123456789abcdef"
}
```