Warning: Array to string conversion in /var/www/html/lib/pkp/classes/i18n/Locale.php on line 497

Warning: array_flip(): Can only flip string and integer values, entry skipped in /var/www/html/lib/pkp/classes/i18n/Locale.php on line 373

Fatal error: Uncaught TypeError: Illegal offset type in isset or empty in /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php:1499 Stack trace: #0 [internal function]: PKP\template\PKPTemplateManager->displaySidebar() #1 /var/www/html/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array() #2 /var/www/html/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run() #3 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1793): PKP\plugins\Hook::call() #4 /var/www/html/cache/t_compile/848732f29c33e03602e7b02bd392634c9ec5c88b^4dffb64063bb972c37e05619a2ccd9d0ea7473ac_0.app.frontendcomponentsfooter.tpl.php(29): PKP\template\PKPTemplateManager->smartyCallHook() #5 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_67dfe889a57c13_12971501() #6 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode() #7 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #8 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(386): Smarty_Internal_Template->render() #9 /var/www/html/cache/t_compile/848732f29c33e03602e7b02bd392634c9ec5c88b^e64e579388e5615e11e939b12134d6ae8679eba6_0.app.frontendpagesindexJournal.tpl.php(115): Smarty_Internal_Template->_subTemplateRender() #10 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_67dfe8899b2bf9_56826353() #11 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode() #12 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #13 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #14 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #15 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1378): Smarty_Internal_TemplateBase->display() #16 /var/www/html/pages/index/IndexHandler.php(83): PKP\template\PKPTemplateManager->display() #17 [internal function]: APP\pages\index\IndexHandler->index() #18 /var/www/html/lib/pkp/classes/core/PKPRouter.php(334): call_user_func() #19 /var/www/html/lib/pkp/classes/core/PKPPageRouter.php(278): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #20 /var/www/html/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route() #21 /var/www/html/lib/pkp/classes/core/PKPApplication.php(395): PKP\core\Dispatcher->dispatch() #22 /var/www/html/index.php(21): PKP\core\PKPApplication->execute() #23 {main} thrown in /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php on line 1499