Cannot start Goahead webserver. port (-1) is an invalid port

[katarj]

165>Aug 23 11:42:21 172.17.0.61 CORE: -04:00 2013 000 1 .TEL | 0 CSyncLock(347): Unable to UNLOCK: err: 1, ysr
<165>Aug 23 11:42:21 172.17.0.61 CORE: -04:00 2013 000 1 .TEL | 0 CSyncLock(360): Unable to UNLOCK: err: 1, ysr
<165>Aug 23 11:42:21 172.17.0.61 CORE: -04:00 2013 000 1 .TEL | 0 CSyncLock(367): Unable to UNLOCK: err: 1, ysr
<165>Aug 23 11:42:22 172.17.0.61 MSM: -04:00 2013 000 1 .TEL | 0 Registration process for SM[0] has been started.
<165>Aug 23 11:42:22 172.17.0.61 AST: -04:00 2013 000 1 .TEL | 0 Feature Status Subscription failed. Error code= 404.
<165>Aug 23 11:42:23 172.17.0.61 CONTACT: -04:00 2013 000 1 .TEL | 0 UpdateContacts-No data source -OR- Avaya Environment is [0]
<165>Aug 23 11:42:23 172.17.0.61 PUSHADAP: -04:00 2013 000 1 .TEL | 0 CVxPushAdaptor::StartWebServer, Cannot start Goahead webserver. port (-1) is an invalid port. PUSHCAP will be set to 00000.



can anyone explain me the error in red?
Also this phone has been registered to a asterisk server and that entry is present in the configuration settings file.