zabbix server was started up and shut down using an initscript.

shutdown happened while it was still building the initial configuration cache

1707:20120223:090519.962 Starting Zabbix Server. Zabbix 1.8.9 (revision 23398).
1707:20120223:090519.962 ****** Enabled features ******
1707:20120223:090519.962 SNMP monitoring: NO
1707:20120223:090519.962 IPMI monitoring: NO
1707:20120223:090519.962 WEB monitoring: NO
1707:20120223:090519.962 Jabber notifications: NO
1707:20120223:090519.963 Ez Texting notifications: NO
1707:20120223:090519.963 ODBC: NO
1707:20120223:090519.963 SSH2 support: NO
1707:20120223:090519.963 IPv6 support: NO
1707:20120223:090519.963 ******************************
1707:20120223:090519.963 NodeID: 1
1707:20120223:090519.963 ******************************
1707:20120223:090605.018 Got signal [signal:15(SIGTERM),sender_pid:1715,sender_uid:0,reason:0]. Exiting ...
1707:20120223:090607.042 syncing history data...
1707:20120223:090607.042 syncing history data done
1707:20120223:090607.042 syncing trends data...
1707:20120223:090607.042 ERROR: nested transaction detected. Please report it to Zabbix Team.
zabbix_server: db.c:506: zbx_db_begin: Assertion `0' failed.