Ojs3 blank screen

I tyr install ojs3 on a host with php 5.3 Mysql and apache and directadmin control panel

but after copy files on server and config files and directory and enter data on installation page

i see a blank page with http error 500

on linux log file see that error

PHP Warning: require_once(plugins/importexport/users/PKPUserImportExportDeployment.inc.php): failed to open stream: No such file or directory in /var/www/vhosts/jacet.ir/httpdocs/lib/pkp/classes/plugins/Plugin.inc.php on line 420, referer: http://jacet.ir/index.php/index/install

PHP Fatal error: require_once(): Failed opening required ‘plugins/importexport/users/PKPUserImportExportDeployment.inc.php’ (include_path=’.:’) in /var/www/vhosts/jacet.ir/httpdocs/lib/pkp/classes/plugins/Plugin.inc.php on line 420, referer: http://jacet.ir/index.php/index/install

Please Help me

Hi @mhdrsl,

Have you checked whether the listed file is missing?

Regards,
Alec Smecher
Public Knowledge Project Team