Fatal error: Uncaught Error: Call to a member function getId() on null in /var/www/html/ojs/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php:304 Stack trace: #0 /var/www/html/ojs/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php(343): OrcidProfilePlugin->buildOAuthUrl() #1 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php(63): OrcidProfilePlugin->registrationFilter() #2 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(232): Smarty_Internal_Runtime_FilterHandler->runFilter() #3 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #4 /var/www/html/ojs/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #5 /var/www/html/ojs/lib/pkp/classes/template/PKPTemplateManager.inc.php(1249): Smarty_Internal_TemplateBase->display() #6 /var/www/html/ojs/lib/pkp/classes/form/Form.inc.php(200): PKPTemplateManager->display() #7 /var/www/html/ojs/lib/pkp/classes/user/form/RegistrationForm.inc.php(120): Form->fetch() #8 /var/www/html/ojs/lib/pkp/classes/form/Form.inc.php(151): RegistrationForm->fetch() #9 /var/www/html/ojs/lib/pkp/pages/user/RegistrationHandler.inc.php(58): Form->display() #10 /var/www/html/ojs/lib/pkp/classes/core/PKPRouter.inc.php(397): RegistrationHandler->register() #11 /var/www/html/ojs/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #12 /var/www/html/ojs/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #13 /var/www/html/ojs/lib/pkp/classes/core/PKPApplication.inc.php(360): Dispatcher->dispatch() #14 /var/www/html/ojs/index.php(68): PKPApplication->execute() #15 {main} thrown in /var/www/html/ojs/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php on line 304