Fatal error: Uncaught Error: Call to undefined function wp_using_themes() in /home/evkgegtk/public_html/staging.renaissanceengineer.dev/wp/wp-includes/template-loader.php:7
Stack trace:
#0 {main}
thrown in /home/evkgegtk/public_html/staging.renaissanceengineer.dev/wp/wp-includes/template-loader.php on line 7