Completely random error started this morning...

[extremeits]

Can anyone help with this error which started this morning:

Warning: ActionLog::submit(api-rpc/loger.php) [function.submit]: failed to open stream: No such file or directory in C:\Program Files\SWsoft\Plesk\admin\plib\class.ActionLog.php on line 459

Fatal error: ActionLog::submit() [function.require]: Failed opening required 'api-rpc/loger.php' (include_path='C:\Program Files\SWsoft\Plesk\admin/plib;C:\Program Files\SWsoft\Plesk\admin/plib/api-rpc;C:\Program Files\SWsoft\Plesk\admin/javascripts;C:\Program Files\SWsoft\Plesk\admin/plib/locale;C:\Program Files\SWsoft\Plesk\admin/auto_prepend;C:\Program Files\SWsoft\Plesk\admin/htdocs/domains/databases/phpMyAdmin;C:\Program Files\SWsoft\Plesk\admin/htdocs/domains/databases/phpPgAdmin') in C:\Program Files\SWsoft\Plesk\admin\plib\class.ActionLog.php on line 459