wp_1_bp_activity' doesn't exist for query SHOW FULL COLUMNS

wordpress 4.3 / bp 2.3.3 Seeing a lot of these things in my server error log. Any ideas?

[31-Aug-2015 08:37:34 UTC] WordPress database error Table ‘database_name.wp_1_bp_activity’ doesn’t exist for query SHOW FULL COLUMNS FROM wp_1_bp_activity made by require(‘wp-blog-header.php’), require_once(‘wp-includes/template-loader.php’), apply_filters(‘template_include’), call_user_func_array, RTMediaRouter->template_include, RTMediaTemplate->set_template, RTMediaTemplate->check_return_edit, RTMediaTemplate->save_edit, RTMediaTemplate->save_single_edit