Fatal error: Uncaught TypeError: htmlspecialchars(): Argument #1 ($string) must be of type string, array given in /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/function.mailto.php:104 Stack trace: #0 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/function.mailto.php(104): htmlspecialchars(Array, 11, 'UTF-8') #1 /var/www/html/ojs/cache/t_compile/e1f28d84b00437e5dd0cd1fbd9fbb222035ce7c5^6b0444a34e5318c94e752093d374a9114c1ff855_0.app.frontendpagescontact.tpl.php(94): smarty_function_mailto(Array, Object(Smarty_Internal_Template)) #2 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_6ae457163d97e6_83472770(Object(Smarty_Internal_Template)) #3 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode(Object(Smarty_Internal_Template)) #4 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render(Object(Smarty_Internal_Template)) #5 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render(false, 1) #6 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute(Object(Smarty_Internal_Template), NULL, 'e1f28d84b00437e...', NULL, 1) #7 /var/www/html/ojs/lib/pkp/classes/template/PKPTemplateManager.php(1515): Smarty_Internal_TemplateBase->display('frontend/pages/...', NULL, 'e1f28d84b00437e...', NULL) #8 /var/www/html/ojs/lib/pkp/pages/about/AboutContextHandler.php(266): PKP\template\PKPTemplateManager->display('frontend/pages/...') #9 [internal function]: PKP\pages\about\AboutContextHandler->contact(Array, Object(APP\core\Request)) #10 /var/www/html/ojs/lib/pkp/classes/core/PKPRouter.php(327): call_user_func(Array, Array, Object(APP\core\Request)) #11 /var/www/html/ojs/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false) #12 /var/www/html/ojs/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route(Object(APP\core\Request)) #13 /var/www/html/ojs/lib/pkp/classes/core/PKPApplication.php(429): PKP\core\Dispatcher->dispatch(Object(APP\core\Request)) #14 /var/www/html/ojs/index.php(21): PKP\core\PKPApplication->execute() #15 {main} thrown in /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/function.mailto.php on line 104