I’m using Sydney child theme. So far everything was working fine, but after I applied the latest parent theme (Sydney) upgrade today, I’m having this error message:
Fatal error: Cannot redeclare the_posts_navigation() (previously declared in /home/u822214190/public_html/wp-includes/link-template.php:2361) in /home/u822214190/public_html/wp-content/themes/sydney/inc/template-tags.php on line 38
Due to this, I cannot do anything at all on the dashboard… I need your help urgently !!