2012/10/17  16:44:34:852 WARNING!!!!!!!! isPrimaryServer() :: SubString returned NULL for SERVER_ROLE

2012/10/17  16:44:34:852 Error code : 0, Error Message : The operation completed successfully.

2012/10/17  16:44:34:852 Error code : 0, Error Message : The operation completed successfully.

2012/10/17  16:44:34:852 AgentSendRequest : Last Access Address is 10.2.2.7 

2012/10/17  16:44:34:852 ProcessAgentRequests :: retVal of InternetDownloadFile is [0] 

2012/10/17  16:44:34:852 ProcessAgentRequests :: Got response -(null)

2012/10/17  16:44:34:852 ProcessAgentRequests :: File doesn't exist

2012/10/17  16:44:34:852 ProcessAgentRequests() :: Request list are processed sucessfully.. Going to set RequestAvailable flag as NO.

And the icon from green go in Grey mode. 

But if i go on Agent manager on opmanager web i see the server with the agent 

What i can to do for fix this error on log agent file? 

Thz a Lot.