Fix for dynamic product search addon on v4.5.0
ability_dynamic_search.php
Replace...
Code:
$res = mysql_query("select productid,product from xcart_products where forsale='Y' AND avail > 0 AND product like '%".$letters."%'") or die(mysql_error());
With...
Code:
$res = mysql_query("SELECT * FROM `xcart_products` INNER JOIN xcart_products_lng_en ON xcart_products.productid = xcart_products_lng_en.productid WHERE forsale='Y' AND product like '%".$letters."%'") or die(mysql_error());