I kept getting this info. when genearting datafeed, pls help:

Google Base Feeder v1.7.4 started 2010/08/16 04:05:45
Feed file - /home/xxx/public_html/feed/domain_products.xml
Processing: Feed - Yes, Upload - No

Fatal error: Maximum execution time of 30 seconds exceeded in /home1/xxx/public_html/includes/classes/google_base.php on line 186