Hello,
In file \includes\utils\ListingMedia.php
At line 218
replace


$sql .= "WHERE `T1`.`ID` = {$listing_id} AND `Type` = 'picture' LIMIT 1";
by
$sql .= "WHERE `T1`.`ID` = {$listing_id} AND `T2`.`Type` = 'picture' LIMIT 1";

.