# User not found!

Source: https://developer.avalara.com/products/communications/integration-guides/dev-guide_geo_soap/reference/errors/user-not-found/

#   
User not found!  

-   [Previous](/communications/dev-guide_geo_soap/reference/errors/)

### Error Description

The supplied username is invalid.

### Example

```xml
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> <s:Body> <s:Fault> <faultcode>s:Client</faultcode> <faultstring xml:lang="en-US">User not found!</faultstring> </s:Fault> </s:Body></s:Envelope>
```

### How to Resolve

Check the username in the header.

-   Confirm that the `Username` field within the header is populated and is correct
-   AFC Geo SaaS Pro Soap usernames are case sensitive - verify that you are entering the username exactly as it was provided to you

-   [Previous](/communications/dev-guide_geo_soap/reference/errors/)