ected function is_development() {
try {
return WPSEO_Utils::is_development_mode();
}
catch ( Exception $exception ) {
// E.g. when WordPress and/or WordPress SEO are not loaded.
return \defined( 'YOAST_ENVIRONMENT' ) && \YOAST_ENVIRONMENT === 'development';
}
}
}
Fatal error: Uncaught Error: Class "Yoast\WP\Lib\Abstract_Main" not found in /htdocs/wp-content/plugins/wordpress-seo/src/main.php:25
Stack trace:
#0 /htdocs/wp-content/plugins/code-snippets/vendor/composer/ClassLoader.php(576): include()
#1 /htdocs/wp-content/plugins/code-snippets/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/htdocs/wp-cont...')
#2 /htdocs/wp-content/plugins/wordpress-seo/src/functions.php(33): Composer\Autoload\ClassLoader->loadClass('Yoast\\WP\\SEO\\Ma...')
#3 /htdocs/wp-content/plugins/wordpress-seo/wp-seo-main.php(449): YoastSEO()
#4 /htdocs/wp-content/plugins/wordpress-seo/wp-seo.php(50): require_once('/htdocs/wp-cont...')
#5 /htdocs/wp-settings.php(526): include_once('/htdocs/wp-cont...')
#6 /htdocs/wp-config.php(88): require_once('/htdocs/wp-sett...')
#7 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#8 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#9 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#10 {main}
thrown in /htdocs/wp-content/plugins/wordpress-seo/src/main.php on line 25