WordPress database error: [Duplicate entry '' for key 'url_hash']
ALTER TABLE `ry65tr3_blc_links` ADD UNIQUE KEY `url_hash` (`url_hash`)

Warning: Cannot modify header information - headers already sent by (output started at /home/cannabi5/public_html/wp-includes/class-wpdb.php:1855) in /home/cannabi5/public_html/wp-content/plugins/all-in-one-seo-pack/app/Common/Sitemap/Sitemap.php on line 405

Warning: Cannot modify header information - headers already sent by (output started at /home/cannabi5/public_html/wp-includes/class-wpdb.php:1855) in /home/cannabi5/public_html/wp-content/plugins/all-in-one-seo-pack/app/Common/Sitemap/Sitemap.php on line 406