Application Vault/Application Packages Error

[NoobLeT]

I got this strange error when i tried to access the Application Vault/Application Packages

Warning: main(Packages/class.PackagesList.php): failed to open stream: No such file or directory in C:\Program Files\SWsoft\Plesk\admin\htdocs\packages\packages_management.php on line 14

Warning: main(): Failed opening 'Packages/class.PackagesList.php' for inclusion (include_path='C:\Program Files\SWsoft\Plesk\admin/plib;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\htdocs\packages\packages_management.php on line 14

Fatal error: Cannot instantiate non-existent class: packageslist in C:\Program Files\SWsoft\Plesk\admin\htdocs\packages\packages_management.php on line 15

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Anyone here knows how to fix this problem? Thanks in advance..

 

[NoobLeT]

anyone here wanna help me with this problem? thanks in advance..