SQL-DATABASE ERROR

Database error in pd Script: Invalid SQL: update pd_domain set pr=0, count=count+1, count_gesamt=count_gesamt+1, bl_goo=, bl_yah=, bl_msn=, bl_alta=, bl_allthe=, bl_fireball=, bl_lycos=, bl_aol=, bl_hotbot=, bl_metacrawlerCOM=, bl_metacrawlerDE=, backlinks=0, prupdate = 1280438484 where iddomain = 1722
mysql error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' bl_yah=, bl_msn=, bl_alta=, bl_allthe=, ' at line 4
mysql error number: 1064
Date: 29.07.2010 @ 23:21
Script: /pr.php?ref=reisehost.net&style=1
Referer: