Fatal error: Uncaught Error: Non-static method PKPApplication::defineExposedConstant() cannot be called statically in /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/classes/core/PKPApplication.inc.php:556 Stack trace: #0 /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/classes/core/PKPApplication.inc.php(16): define_exposed('REALLY_BIG_NUMB...', 10000) #1 /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/includes/functions.inc.php(27): include_once('/homepages/24/d...') #2 /homepages/24/d462630330/htdocs/samuniversity.org/classes/core/Application.inc.php(18): import('lib.pkp.classes...') #3 /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/includes/functions.inc.php(27): include_once('/homepages/24/d...') #4 /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/includes/bootstrap.inc.php(54): import('classes.core.Ap...') #5 /homepages/24/d462630330/htdocs/samuniversity.org/index.php(59): require('/homepages/24/d...') #6 {main} thrown in /homepages/24/d462630330/htdocs/samuniversity.org/lib/pkp/classes/core/PKPApplication.inc.php on line 556