I am running OJS 2.4.8.1 on a production site when suddenly I got a white screen. It can view the table of content and abstract view for example: https://journal.bio.unsoed.ac.id/index.php/scribio/article/view/425 with all sidebars missing. I can not view other pages.
The error message log was:
ojs2 has produced an error Message:
WARNING: Invalid argument supplied for foreach()
In file: /var/www/clients/client1/web4/web/lib/pkp/classes/i18n/PKPLocale.inc.php
At line: 298
Stacktrace:
File: /var/www/clients/client1/web4/web/lib/pkp/classes/i18n/PKPLocale.inc.php
line 298
Function: PKPApplication->errorHandler(2,
"Invalid argument supplied for foreach()",
"/var/www/clients/client1/web4/web/lib/pkp/classes/i18n/PKPLocale.inc.php",
298,
Array(2)) File: /var/www/clients/client1/web4/web/classes/journal/Journal.inc.php line 68
Function: PKPLocale->getAllLocales()
File: /var/www/clients/client1/web4/web/classes/i18n/AppLocale.inc.php line 99
Function: Journal->getSupportedLocaleNames() File:
/var/www/clients/client1/web4/web/lib/pkp/classes/i18n/PKPLocale.inc.php
line 109
Function: AppLocale->getLocale()
File: /var/www/clients/client1/web4/web/lib/pkp/classes/core/Dispatcher.inc.php
line 131
Function: PKPLocale->initialize()
File: /var/www/clients/client1/web4/web/lib/pkp/classes/core/PKPApplication.inc.php
line 178
Function: Dispatcher->dispatch(Object(Request))
File: /var/www/clients/client1/web4/web/index.php line
64 Function: PKPApplication->execute()
Server info:
OS: Linux PHP Version: 5.6.26
Apache Version: N/A
DB Driver: mysql DB server version: 10.0.34-MariaDB-0ubuntu0.16.04.1
I need a help to solve this problem.