This issue from zabbix_server is new in [1.4].
24170:20070530:115955 Starting zabbix_server. ZABBIX 1.4.
24170:20070530:115955 **** Enabled features ****
24170:20070530:115955 SNMP monitoring: NO
24170:20070530:115955 WEB monitoring: YES
24170:20070530:115955 Jabber notifications: NO
24170:20070530:115955 **************************
24171:20070530:115955 server #1 started [Poller. SNMP:OFF]
24172:20070530:115955 server #2 started [Poller. SNMP:OFF]
24173:20070530:115955 server #3 started [Poller. SNMP:OFF]
24174:20070530:115955 server #4 started [Poller. SNMP:OFF]
24176:20070530:115955 server #6 started [Trapper]
24177:20070530:115955 server #7 started [Trapper]
24178:20070530:115955 server #8 started [Trapper]
24175:20070530:115955 server #5 started [Poller. SNMP:OFF]
24179:20070530:115955 server #9 started [Trapper]
24180:20070530:115955 server #10 started [Trapper]
24181:20070530:115955 server #11 started [ICMP pinger]
24185:20070530:115955 server #12 started [Alerter]
24186:20070530:115955 server #13 started [Housekeeper]
24186:20070530:115955 Executing housekeeper
24187:20070530:115955 server #14 started [Timer]
24188:20070530:115955 server #15 started [Poller for unreachable hosts. SNMP:OFF]
24189:20070530:115955 server #16 started [Node watcher. Node ID:0]
24190:20070530:115955 server #17 started [HTTP Poller]
24191:20070530:115955 server #18 started [HTTP Poller]
24192:20070530:115955 server #19 started [HTTP Poller]
24193:20070530:115955 server #20 started [HTTP Poller]
24194:20070530:115955 server #21 started [HTTP Poller]
24195:20070530:115955 server #22 started [Discoverer. SNMP:OFF]
24195:20070530:115955 Wrong format of IP range []
24170:20070530:115955 server #0 started [Watchdog]
24186:20070530:115956 Deleted 0 records from history and trends
24195:20070530:120025 Wrong format of IP range []
24195:20070530:120055 Wrong format of IP range []
24195:20070530:120125 Wrong format of IP range []
24195:20070530:120155 Wrong format of IP range []
24195:20070530:120225 Wrong format of IP range []
24195:20070530:120255 Wrong format of IP range []
24195:20070530:120325 Wrong format of IP range []
24195:20070530:120355 Wrong format of IP range []
24195:20070530:120425 Wrong format of IP range []
24195:20070530:120455 Wrong format of IP range []
24195:20070530:120525 Wrong format of IP range []
24195:20070530:120555 Wrong format of IP range []
24170:20070530:115955 Starting zabbix_server. ZABBIX 1.4.
24170:20070530:115955 **** Enabled features ****
24170:20070530:115955 SNMP monitoring: NO
24170:20070530:115955 WEB monitoring: YES
24170:20070530:115955 Jabber notifications: NO
24170:20070530:115955 **************************
24171:20070530:115955 server #1 started [Poller. SNMP:OFF]
24172:20070530:115955 server #2 started [Poller. SNMP:OFF]
24173:20070530:115955 server #3 started [Poller. SNMP:OFF]
24174:20070530:115955 server #4 started [Poller. SNMP:OFF]
24176:20070530:115955 server #6 started [Trapper]
24177:20070530:115955 server #7 started [Trapper]
24178:20070530:115955 server #8 started [Trapper]
24175:20070530:115955 server #5 started [Poller. SNMP:OFF]
24179:20070530:115955 server #9 started [Trapper]
24180:20070530:115955 server #10 started [Trapper]
24181:20070530:115955 server #11 started [ICMP pinger]
24185:20070530:115955 server #12 started [Alerter]
24186:20070530:115955 server #13 started [Housekeeper]
24186:20070530:115955 Executing housekeeper
24187:20070530:115955 server #14 started [Timer]
24188:20070530:115955 server #15 started [Poller for unreachable hosts. SNMP:OFF]
24189:20070530:115955 server #16 started [Node watcher. Node ID:0]
24190:20070530:115955 server #17 started [HTTP Poller]
24191:20070530:115955 server #18 started [HTTP Poller]
24192:20070530:115955 server #19 started [HTTP Poller]
24193:20070530:115955 server #20 started [HTTP Poller]
24194:20070530:115955 server #21 started [HTTP Poller]
24195:20070530:115955 server #22 started [Discoverer. SNMP:OFF]
24195:20070530:115955 Wrong format of IP range []
24170:20070530:115955 server #0 started [Watchdog]
24186:20070530:115956 Deleted 0 records from history and trends
24195:20070530:120025 Wrong format of IP range []
24195:20070530:120055 Wrong format of IP range []
24195:20070530:120125 Wrong format of IP range []
24195:20070530:120155 Wrong format of IP range []
24195:20070530:120225 Wrong format of IP range []
24195:20070530:120255 Wrong format of IP range []
24195:20070530:120325 Wrong format of IP range []
24195:20070530:120355 Wrong format of IP range []
24195:20070530:120425 Wrong format of IP range []
24195:20070530:120455 Wrong format of IP range []
24195:20070530:120525 Wrong format of IP range []
24195:20070530:120555 Wrong format of IP range []