Can't start Zabbix 1.1 beta2

[ingvarr-wvw]

FreeBSD 5.4
Zabbix 1.1 Beta2
Log:
Cannot remove PID file [/var/tmp/zabbix_server.pid] [No suc
h file or directory
or (if file is exist):
File [/var/tmp/zabbix_server.pid] exists. Is this process a
lready running ?

When server is started and working,zabbix write to logfile:
File [/var/tmp/zabbix_server.pid] exists. Is this
process already running ?
but working.

[ingvarr-wvw]

More.
When zabbix_agentd(precompiled) is starting on monitored station, zabbix-server - down.
When
csh#killall zabbix_agentd
Zabbix-server is UP.