# 21651: Document does not satisfy regulatory requirement

Log Level: ERROR

## Description

The document being mapped to the number does not satisfy the regulatory requirements.

### Possible causes

* The document is the incorrect type for the number you are trying to purchase or update.
* The document does not have the correct metadata fields required for the number you are trying to purchase or update.
* The document sid is not valid.

### Possible solutions

* Ensure that the document you are using satisfies the regulatory requirement.
* Ensure the document sid refers to a document on your account or subaccount.
* Contact support for assistance.