---
page_type: error
code: 21646
message: "21646: Supporting Document is not eligible for deletion"
level: ERROR
product: Phone Numbers
---

## Description

The Supporting Document is in a non-deletable status and is not eligible to be deleted until the Supporting Document transitions to a deletable status.

### Possible Causes

The Supporting Document is in a non-deletable status (PENDING\_REVIEW).

### Possible Solutions

Wait for the Supporting Document to transition to a deletable status (DRAFT, TWILIO\_REJECTED, TWILIO\_APPROVED). If your Supporting Document is idle for more than 3 business days, please reach out to Twilio Support through the [Console](https://console.twilio.com) or [Help Center](https://support.twilio.com).