Error in log related to Defender

Update: Ok, now how do I paste the error log properly without each of the quote converts into another block of quote
This is the error, it keeps repeating. How to fix this?
WordPress database error Duplicate entry '0' for key 'PRIMARY' for query INSERT INTOsf_defender_lockout_log(id,log,ip,date,user_agent,type,blog_id,tried) VALUES ('', '/?author=9', '121.42.152.155', '1508906393', '', '404_error', 1, '') made by require('wp-blog-header.php'), require_once('wp-includes/template-loader.php'), do_action('template_redirect'), WP_Hook->do_action, WP_Hook->apply_filters, WP_Defender\\Module\\IP_Lockout\\Controller\\Main->record404, Hammer\\Base\\DB_Model->save, Hammer\\Base\\DB_Model->insert
Duplicate entry '0' for key 'PRIMARY'