php notice: geodir_location_functions.php

Hello,
there are three wrong $wpdb->prepare calls in geodir_location_functions.php lines 553, 559 and 567.
This is the php notice:

Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (1) for the number of arguments passed (2). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /[…]/wp-includes/functions.php on line 4147

This is the code (e.g. line 553):

$sql = $wpdb->prepare( "SELECT COUNT(*) AS total FROM " . POST_LOCATION_TABLE . " WHERE " . $field . "=%s GROUP BY " . $field, $location, $location );

There is one

$location

too much. Could you please correct this for the next version?

WP 4.9.5
GeoDirectory 1.6.25
GeoDir Location Manager 1.5.62