Warning: include(/var/www/html/wp-content/plugins/seo-by-rank-math/vendor/autoload.php): Failed to open stream: No such file or directory in /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php on line 262

Warning: include(): Failed opening '/var/www/html/wp-content/plugins/seo-by-rank-math/vendor/autoload.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php on line 262

Fatal error: Uncaught Error: Class "RankMath\Installer" not found in /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php:276
Stack trace:
#0 /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php(185): RankMath->instantiate()
#1 /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php(164): RankMath->setup()
#2 /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php(547): RankMath::get()
#3 /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php(551): rank_math()
#4 /var/www/html/wp-settings.php(560): include_once('/var/www/html/w...')
#5 /var/www/html/wp-config.php(121): require_once('/var/www/html/w...')
#6 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#7 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#8 /var/www/html/index.php(17): require('/var/www/html/w...')
#9 {main}
  thrown in /var/www/html/wp-content/plugins/seo-by-rank-math/rank-math.php on line 276