Fatal error in debug log

I have the latest version of Defender installed. Defender is saving a fatal error on the debug.log:

PHP Fatal error: Uncaught ArgumentCountError: Too few arguments to function wpdb::prepare(), 1 passed and exactly 2 expected in /home/***/domains/***/public_html/wp-includes/wp-db.php:1291 Stack trace: #0 [internal function]: wpdb->prepare('t1.meta_value I...') #1 /home/***/domains/***/public_html/wp-content/plugins/wp-defender/vendor/hammer/wp/model.php(344): call_user_func_array(Array, Array) #2 /home/***/domains/***/public_html/wp-content/plugins/wp-defender/vendor/hammer/wp/model.php(324): Hammer\WP\Model::_buildWhere(1, 'meta_value', Array) #3 /home/***/domains/***/public_html/wp-content/plugins/wp-defender/vendor/hammer/wp/model.php(226): Hammer\WP\Model::buildWhere(Array) #4 /home/***/domains/***/public_html/wp-content/plugins/wp-defender/app/module/scan/model/scan.php(141): Hammer\WP\Model::count(Array) #5 /home/***/domains/***/public_html/wp-content/plugins/wp-defender/app/controller/dashboard.php(170): WP_Defender\M in /home/***/domains/***/public_html/wp-includes/wp-db.php on line 1291

WordPress version - 4.7.5 and PHP version - 7.0.19