Same error with 14.0.1…
[28-Apr-2020 17:13:45 UTC] PHP Fatal error: Uncaught PDOException: SQLSTATE[22007]: Invalid datetime format: 1366 Incorrect string value: '\xF0\x9F\x8E\x82 L...' for column 'description' at row 1 in /var/www/html/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/j4mie/idiorm/idiorm.php:464
Stack trace:
#0 /var/www/html/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/j4mie/idiorm/idiorm.php(464): PDOStatement->execute()
#1 /var/www/html/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/j4mie/idiorm/idiorm.php(1983): YoastSEO_Vendor\ORM::_execute('INSERT INTO
wp…’, Array, ‘default’)
#2 /var/www/html/wp-content/plugins/wordpress-seo-premium/src/orm/yoast-model.php(662): YoastSEO_Vendor\ORM->save()
#3 /var/www/html/wp-content/plugins/wordpress-seo-premium/src/models/indexable.php(160): Yoast\WP\SEO\ORM\Yoast_Model->save()
#4 /var/www/html/wp-content/plugins/wordpress-seo-premium/src/builders/indexable-builder.php(276): Yoast\WP\SEO\Models\Indexable->save()
#5 /var/www/html/wp-content/plugins/wordpress-seo-premium/src/builders/inde in /var/www/html/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/j4mie/idiorm/idiorm.php on line 464`