Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/jurnalftk/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php:357 Stack trace: #0 /var/www/jurnalftk/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php(315): OrcidProfilePlugin->buildOAuthUrl() #1 /var/www/jurnalftk/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php(63): OrcidProfilePlugin->registrationFilter() #2 /var/www/jurnalftk/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(231): Smarty_Internal_Runtime_FilterHandler->runFilter() #3 /var/www/jurnalftk/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(232): Smarty_Internal_Template->render() #4 /var/www/jurnalftk/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #5 /var/www/jurnalftk/lib/pkp/classes/template/PKPTemplateManager.inc.php(1187): Smarty_Internal_TemplateBase->display() #6 /var/www/jurnal in /var/www/jurnalftk/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php on line 357