Fatal error: Uncaught Error: Class "Locale" not found in /home/ejournalstikesra/public_html/lib/pkp/classes/i18n/Locale.php:148 Stack trace: #0 /home/ejournalstikesra/public_html/lib/pkp/classes/i18n/Locale.php(130): PKP\i18n\Locale->setLocale('en') #1 /home/ejournalstikesra/public_html/lib/pkp/classes/i18n/Locale.php(419): PKP\i18n\Locale->getLocale() #2 /home/ejournalstikesra/public_html/lib/pkp/classes/i18n/Locale.php(105): PKP\i18n\Locale->translate('plugins.themes....', NULL, Array, NULL) #3 /home/ejournalstikesra/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(938): PKP\i18n\Locale->get('plugins.themes....', Array, NULL) #4 /home/ejournalstikesra/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(973): trans('plugins.themes....', Array, NULL) #5 /home/ejournalstikesra/public_html/plugins/themes/default/DefaultThemePlugin.php(45): __('plugins.themes....') #6 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/ThemePlugin.php(130): APP\plugins\themes\default\DefaultThemePlugin->init() #7 [internal function]: PKP\plugins\ThemePlugin->themeRegistered('PluginRegistry:...', Array) #8 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array(Array, Array) #9 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run('PluginRegistry:...', Array) #10 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(128): PKP\plugins\Hook::call('PluginRegistry:...', Array) #11 /home/ejournalstikesra/public_html/lib/pkp/classes/template/PKPTemplateManager.php(1436): PKP\plugins\PluginRegistry::loadCategory('themes', true) #12 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/Plugin.php(403): PKP\template\PKPTemplateManager::getManager(Object(APP\core\Request)) #13 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/Plugin.php(137): PKP\plugins\Plugin->_registerTemplateResource() #14 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/LazyLoadPlugin.php(34): PKP\plugins\Plugin->register('generic', 'plugins/generic...', NULL) #15 /home/ejournalstikesra/public_html/plugins/generic/webFeed/WebFeedPlugin.php(37): PKP\plugins\LazyLoadPlugin->register('generic', 'plugins/generic...', NULL) #16 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(76): APP\plugins\generic\webFeed\WebFeedPlugin->register('generic', 'plugins/generic...', NULL) #17 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(121): PKP\plugins\PluginRegistry::register('generic', Object(APP\plugins\generic\webFeed\WebFeedPlugin), 'plugins/generic...', NULL) #18 [internal function]: PKP\plugins\PluginRegistry::PKP\plugins\{closure}(Object(APP\plugins\generic\webFeed\WebFeedPlugin), 'plugins/generic...') #19 /home/ejournalstikesra/public_html/lib/pkp/classes/plugins/PluginRegistry.php(121): array_walk_recursive(Array, Object(Closure)) #20 /home/ejournalstikesra/public_html/lib/pkp/classes/core/Dispatcher.php(155): PKP\plugins\PluginRegistry::loadCategory('generic', true) #21 /home/ejournalstikesra/public_html/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #22 /home/ejournalstikesra/public_html/index.php(32): PKP\core\PKPApplication->execute() #23 {main} thrown in /home/ejournalstikesra/public_html/lib/pkp/classes/i18n/Locale.php on line 148