Warning: include(/customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/vendor/composer/../../lib/abstract-main.php): Failed to open stream: No such file or directory in /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/onecom-spam-protection/inc/lib/vendor/composer/ClassLoader.php on line 444

Warning: include(): Failed opening '/customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/vendor/composer/../../lib/abstract-main.php' for inclusion (include_path='.:/usr/share/php') in /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/onecom-spam-protection/inc/lib/vendor/composer/ClassLoader.php on line 444

Fatal error: Uncaught Error: Class "Yoast\WP\Lib\Abstract_Main" not found in /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/src/main.php:25
Stack trace:
#0 /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/onecom-spam-protection/inc/lib/vendor/composer/ClassLoader.php(444): include()
#1 /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/onecom-spam-protection/inc/lib/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/customers/8/4/...')
#2 /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/src/functions.php(33): Composer\Autoload\ClassLoader->loadClass('Yoast\\WP\\SEO\\Ma...')
#3 /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/wp-seo-main.php(457): YoastSEO()
#4 /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/wp-seo.php(50): require_once('/customers/8/4/...')
#5 /customers/8/4/1/imotivate.dk/httpd.www/wp-settings.php(517): include_once('/customers/8/4/...')
#6 /customers/8/4/1/imotivate.dk/httpd.www/wp-config.php(132): require_once('/customers/8/4/...')
#7 /customers/8/4/1/imotivate.dk/httpd.www/wp-load.php(50): require_once('/customers/8/4/...')
#8 /customers/8/4/1/imotivate.dk/httpd.www/wp-blog-header.php(13): require_once('/customers/8/4/...')
#9 /customers/8/4/1/imotivate.dk/httpd.www/index.php(17): require('/customers/8/4/...')
#10 {main}
  thrown in /customers/8/4/1/imotivate.dk/httpd.www/wp-content/plugins/wordpress-seo/src/main.php on line 25