Fatal error: Uncaught Error: Call to undefined function current_theme_supports() in /opt/app-root/src/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-classic-theme-helper/src/content-options/blog-display.php:11 Stack trace: #0 {main} thrown in /opt/app-root/src/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-classic-theme-helper/src/content-options/blog-display.php on line 11