Whats the problem?

[rubix123]

Ive recently been receiving this error on my site. Im using SMF 2.0 with some mods. The site seems to be functioning just fine about 99% of the time, but a few times a day this error will show up. If I refresh the page it will load, but how can i fix this error?

Warning: require(/websites/webfusionus/LinuxPackage11/wf/us/_2/wfus-21238-1.webfusion-hosting.com/public_html/cache/data_3cca7baf3f8249b5d963be26dbfe11c7-SMF-modSettings.php) [function.require]: failed to open stream: No such file or directory in /websites/webfusionus/LinuxPackage11/wf/us/_2/wfus-21238-1.webfusion-hosting.com/public_html/Sources/Load.php on line 2738

Fatal error: require() [function.require]: Failed opening required '/websites/webfusionus/LinuxPackage11/wf/us/_2/wfus-21238-1.webfusion-hosting.com/public_html/cache/data_3cca7baf3f8249b5d963be26dbfe11c7-SMF-modSettings.php' (include_path='.:/usr/share/pear:/usr/share/php') in /websites/webfusionus/LinuxPackage11/wf/us/_2/wfus-21238-1.webfusion-hosting.com/public_html/Sources/Load.php on line 2738

[Illori]

have you tried clearing your cache?