Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /app01/services/deployment/httpd/pro_ojs/cache/t_compile/42362804174f266c598cdb32c3208fc745b92101^addd65021fadf964339ab08cd1aa93ba59b14e9c_0.app.frontendobjectsarticle_details.tpl.php:202 Stack trace: #0 /app01/services/deployment/httpd/pro_ojs/cache/t_compile/42362804174f266c598cdb32c3208fc745b92101^addd65021fadf964339ab08cd1aa93ba59b14e9c_0.app.frontendobjectsarticle_details.tpl.php(202): count() #1 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_691c77bf2176a7_60900161() #2 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode() #3 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #4 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(386): Smarty_Internal_Template->render() #5 /app01/services/deployment/httpd/pro_ojs/cache/t_compile/42362804174f266c598cdb32c3208fc745b92101^1c372c95cd85572e0fbc9a53d0323a0b229cfc78_0.app.frontendpagesarticle.tpl.php(40): Smarty_Internal_Template->_subTemplateRender() #6 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_691c77bf10eb83_73833097() #7 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode() #8 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #9 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #10 /app01/services/deployment/httpd/pro_ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #11 /app01/services/deployment/httpd/pro_ojs/lib/pkp/classes/template/PKPTemplateManager.php(1505): Smarty_Internal_TemplateBase->display() #12 /app01/services/deployment/httpd/pro_ojs/pages/article/ArticleHandler.php(365): PKP\template\PKPTemplateManager->display() #13 [internal function]: APP\pages\article\ArticleHandler->view() #14 /app01/services/deployment/httpd/pro_ojs/lib/pkp/classes/core/PKPRouter.php(327): call_user_func() #15 /app01/services/deployment/httpd/pro_ojs/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #16 /app01/services/deployment/httpd/pro_ojs/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route() #17 /app01/services/deployment/httpd/pro_ojs/lib/pkp/classes/core/PKPApplication.php(426): PKP\core\Dispatcher->dispatch() #18 /app01/services/deployment/httpd/pro_ojs/index.php(21): PKP\core\PKPApplication->execute() #19 {main} thrown in /app01/services/deployment/httpd/pro_ojs/cache/t_compile/42362804174f266c598cdb32c3208fc745b92101^addd65021fadf964339ab08cd1aa93ba59b14e9c_0.app.frontendobjectsarticle_details.tpl.php on line 202