Fatal error: Uncaught Error: Call to undefined function wp_get_wp_version() in /home/iabtours/public_html/wp-content/plugins/wordpress-seo/src/conditionals/abilities-api-conditional.php:21 Stack trace: #0 /home/iabtours/public_html/wp-content/plugins/wordpress-seo/src/loader.php(270): Yoast\WP\SEO\Conditionals\Abilities_API_Conditional->is_met() #1 /home/iabtours/public_html/wp-content/plugins/wordpress-seo/src/loader.php(208): Yoast\WP\SEO\Loader->conditionals_are_met('Yoast\\WP\\SEO\\Ab...') #2 /home/iabtours/public_html/wp-includes/class-wp-hook.php(310): Yoast\WP\SEO\Loader->load_integrations('') #3 /home/iabtours/public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #4 /home/iabtours/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /home/iabtours/public_html/wp-settings.php(632): do_action('init') #6 /home/iabtours/public_html/wp-config.php(80): require_once('/home/iabtours/...') #7 /home/iabtours/public_html/wp-load.php(50): require_once('/home/iabtours/...') #8 /home/iabtours/public_html/wp-blog-header.php(13): require_once('/home/iabtours/...') #9 /home/iabtours/public_html/index.php(17): require('/home/iabtours/...') #10 {main} thrown in /home/iabtours/public_html/wp-content/plugins/wordpress-seo/src/conditionals/abilities-api-conditional.php on line 21