Fatal error: Uncaught Error: Call to a member function getId() on null in /home/umtasaci/public_html/journal/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php:318 Stack trace: #0 /home/umtasaci/public_html/journal/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php(357): OrcidProfilePlugin->buildOAuthUrl('orcidAuthorize', Array) #1 /home/umtasaci/public_html/journal/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_runtime_filterhandler.php(63): OrcidProfilePlugin->registrationFilter('\t<!DOCTYPE html...', Object(Smarty_Internal_Template)) #2 /home/umtasaci/public_html/journal/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(231): Smarty_Internal_Runtime_FilterHandler->runFilter('output', '\t<!DOCTYPE html...', Object(Smarty_Internal_Template)) #3 /home/umtasaci/public_html/journal/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(232): Smarty_Internal_Template->render(false, 1) #4 /home/umtasaci/public_html/journal/lib/pkp/lib/vendor/sm in /home/umtasaci/public_html/journal/plugins/generic/orcidProfile/OrcidProfilePlugin.inc.php on line 318