[Evolution] address book crashes frequently!!

[bimal pandit <bimalp indoasian com>]

dear all,

why i am getting this errors:-

the addressbook backend for

file:///home/bimal/evolution/local/contacts/addressbook.db

has crashed. you will have to restart evolution in order to use it
again.

i am using rh9 and evolution 1.2.2

any help will be highly appreciated.

regards, 

bimal.