h323-class

Dear All, I got this error in my radius server. I could not understand about this error. Please help me to get this problem fixed. Error: Mon Sep 21 21:11:58 2009 : Error: rlm_sql: Failed to create the pair: Unknown attribute "h323-class" -- Best Regards, YOUK Sokvantha Tell: (855) 89896589 email: sokvantha@gmail.com