database error in activity log

I’m getting the following in my wordpress error log. it happens occasionally but I’m not sure why. Thanks (NOTE: IP Sanitized to x.x.x.x)

WordPress database error Column ‘object_name’ cannot be null for query INSERT INTO wp_aryo_activity_log (action, object_type, object_subtype, object_name, object_id, user_id, user_caps, hist_ip, hist_time) VALUES (‘wrong_password’, ‘User’, ”, NULL, 0, 0, ‘guest’, ‘x.x.x.x’, 1544527645) 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, um\core\Form->form_init, do_action(‘um_submit_form_errors_hook’), WP_Hook->do_action, WP_Hook->apply_filters, um_submit_form_errors_hook, do_action(‘um_submit_form_errors_hook_login’), WP_Hook->do_action, WP_Hook->apply_filters, um_submit_form_errors_hook_login, do_action(‘wp_login_failed’), WP_Hook->do_action, WP_Hook->apply_filters, AAL_Hook_User->hooks_wrong_password, aal_insert_log, AAL_API->insert