Deprecated: Non-static method PKPApplication::defineExposedConstant() should not be called statically in /data/www/www.phil.muni.cz/journals/lib/pkp/classes/core/PKPApplication.inc.php on line 545 Deprecated: Non-static method PKPApplication::getExposedConstants() should not be called statically in /data/www/www.phil.muni.cz/journals/lib/pkp/classes/core/PKPApplication.inc.php on line 513 Fatal error: Cannot use 'String' as class name as it is reserved in /data/www/www.phil.muni.cz/journals/lib/pkp/classes/core/String.inc.php on line 57