Hi everybody

Any idea what the following error means ?

Google Base Feeder v.1.6.5 09.11.2007 11:22:59 started 2007/12/03 19:50:55
Feed file - /[...]/feed/rcnut_products.xml
Processing: Feed - Yes, Upload - No
Fatal error: Call to undefined function zen_price_check() in /[...]/googlefroogle.php on line 140