# 21235: IP Access Control List Validation Error

Log Type: APPLICATION

Log Level: ERROR

## Description

One of the parameters passed when creating or updating an IP Access Control List was incorrect.

### Possible causes

* An IP Access Control List or IP Address with the same FriendlyName may already exist.
* The IP Access Control List may already contain that IP Address

### Possible solutions

* Use a different FriendlyName
* Make sure the IP Access Control List does not already contain that IP Address.