Can't Add New Horde Module

[SIZE=3]Some new Horde modules requires DOMXML or DOM[/SIZE]
[SIZE=3] [/SIZE]
[SIZE=3]I can?t add additional Horde modules because of the following error:[/SIZE]
[SIZE=3] [/SIZE]
[SIZE=3]==============[/SIZE]
[SIZE=3]A fatal error has occurred[/SIZE]
[SIZE=3]You need the domxml or dom PHP extension to use the configuration tool.[/SIZE]
[SIZE=3][line 25 of /usr/local/interworx/lib/horde/admin/setup/config.php][/SIZE]
[SIZE=3]==============[/SIZE]
[SIZE=3] [/SIZE]
[SIZE=3]Can the domxml extension be installed on the Interworx Control Panel - PHP install?[/SIZE]
[SIZE=3] [/SIZE]
[SIZE=3]Are there any workarounds?[/SIZE]
[SIZE=3] [/SIZE]
[SIZE=3]Thank[/SIZE]

[SIZE=3]Fred[/SIZE]

I know it’s been some time since a response, but just wondering if you got this resolved. This should do the trick: yum install php-domxml