bind8 error

[李悦]

    Hi!
=09I have two secondary DNS servers running on solaris8.The version=
 of bind is 8.4.1.
=09I saw the following message in both servers. 
=09"critical: db_freedata: DB_F_ACTIVE set" .And the daemon of=
 named then shut down.
=09Please tell me which cause it!Thanks a lot!!!
=09I am sorry for my poor English!!
=09
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1bigliy at yahoo.com.cn
=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A1=A12003-11-07