Backup Error

[DecodeStudios]

Hi
We keep getting the following error when running the backup.

<?xml version="1.0" encoding="utf-8"?>
<execution-result status="error">
<object name="domainname.co.uk" type="domain">
<message code="InformationalException" severity="error">Cannot dump sysuser</message>
<message code="InformationalException" severity="error">Cannot dump domain hosting settings</message>
<message code="InformationalException" severity="error">Cannot dump database content cjweb_website of type mysql'</message>
</object>
<object name="decodestudios" type="account">
<message code="InformationalException" severity="error">Cannot dump sysuser</message>
<message code="InformationalException" severity="error">Cannot dump domain hosting settings</message>
<message code="InformationalException" severity="error">Cannot dump database content cjweb_website of type mysql'</message>
</object>
<object name="backup" type="backupowner">
<message code="InformationalException" severity="error">Cannot dump sysuser</message>
<message code="InformationalException" severity="error">Cannot dump domain hosting settings</message>
<message code="InformationalException" severity="error">Cannot dump database content cjweb_website of type mysql'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName1'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName2'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName3'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName4'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName5'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName6'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName7'</message>
<message code="InformationalException" severity="error">Cannot backup client 'clientName8'</message>
<message code="InformationalException" severity="error">Cannot backup server settings</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="InformationalException" severity="error">Cannot sign dump!</message>
<message code="ApplicationException" severity="error">Cannot check dump file 'Chuck_info_1006071428.xml' at 'C:\Program Files\Parallels\Plesk\Backup' [Unhandled exception occured during execution psarepository code]</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
<message code="InformationalException" severity="warning">Create unsigned dump file</message>
</object>
</execution-result>

Anyone got any ideas what is going wrong and how to fix this?

Thanks
Dan