---
page_type: error
code: 40136
message: "40136: TaskRouter->Conference"
level: ERROR
product: TaskRouter
---

## Error - 40136

### The Reservation must currently be Pending - Conference Instruction

#### Possible Causes

- The Reservation has been moved to a non-Pending state.

#### Possible Solutions

- Make certain that the Reservation is currently Pending.

#### Example

```
{
	"instruction": "conference",
	"to": "client:alice",
	"from": "+18001234567"
}
```