brownwingstudio

I am having the same problem on a site I manage. Removing and reinstalling the plugin did not help in my case. I am not running the iThemes Security plugin. Here are the plugins I am running: Ajax Load More, Classic Editor, Document Gallery, Enable Media Replace, Regenerate Thumbnails, Strong Testimonials, WP Gallery Custom Links.

Error Details
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An error of type E_ERROR was caused in line 301 of the file /home/allisonb/public_html/wp-content/plugins/wordpress-seo/vendor_prefixed/j4mie/idiorm/idiorm.php. Error message: Uncaught Error: Class ‘PDO’ not found in /home/allisonb/public_html/wp-content/plugins/wordpress-seo/vendor_prefixed/j4mie/idiorm/idiorm.php:301
Stack trace:
#0 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/vendor_prefixed/j4mie/idiorm/idiorm.php(229): YoastSEO_Vendor\ORM::_setup_db_config(‘default’)
#1 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/src/initializers/database-setup.php(52): YoastSEO_Vendor\ORM::configure(‘mysql:host=loca…’)
#2 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/src/loader.php(145): Yoast\WP\SEO\Initializers\Database_Setup->initialize()
#3 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/src/loader.php(111): Yoast\WP\SEO\Loader->load_initializers()
#4 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/src/main.php(81): Yoast\WP\SEO\Loader->load()
#5 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/src/functions.php(26): Yoast\WP\SEO\Main->load()
#6 /home/allisonb/public_html/wp-content/plugins/wordpress-seo/wp-

I am having this exact same issue. I would love to know how to reset this.