Warning Error LOG in Event Viewer

Here i tell you izran is a server in my network, here i have workgroup environment and there are two computers who have windows2000 advance server operating system.

Event Type: Warning
Event Source: BROWSER
Event Category: None
Event ID: 8021Date: 8/18/2001
Time: 8:17:15 PM
User: N/A
Computer: SERVER
Description:
The browser was unable to retrieve a list of servers from the browser master \\IZRAN on the network \Device\NetBT_Tcpip_{CAE8771E-95BA-4694-B974-94F34E1AADFF}. The datais the error code.
Data:
0000: 35 00 00 00 5…

Pleaze tell me what kind of this error and also tell me how can i get the error codes.