Fatal error: Uncaught Error: Call to a member function getId() on null in /www/ojs/www/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php:304 Stack trace: #0 /www/ojs/www/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php(343): OrcidProfilePlugin->buildOAuthUrl('orcidAuthorize', Array) #1 /www/ojs/www/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php(63): OrcidProfilePlugin->registrationFilter('\n\n<!DOCTYPE htm...', Object(Smarty_Internal_Template)) #2 /www/ojs/www/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(231): Smarty_Internal_Runtime_FilterHandler->runFilter('output', '\n\n<!DOCTYPE htm...', Object(Smarty_Internal_Template)) #3 /www/ojs/www/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(232): Smarty_Internal_Template->render(false, 1) #4 /www/ojs/www/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute(Object(Smarty_Internal_T in /www/ojs/www/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php on line 304