Request timed out

Can someone shed light on why the below exception is encountered while accessing the web page

Event code: 3001 Event message: The request has been aborted. Event time: 7/15/2014 3:27:47 PM Event time (UTC): 7/15/2014 8:27:47 PM Event ID: 4d78cc8573064c54861139ef93355d31 Event sequence: 186 Event occurrence: 9 Event detail code: 0 Application information: Application domain: /LM/W3SVC/2/ROOT/fmsStaging-1-130499284478118099 Trust level: Full Application Virtual Path: /fmsStaging Application Path: C:\inetpub\fms\fmsStaging\ Machine name: ASPSTAGE Process information: Process ID: 4372 Process name: w3wp.exe Account name: FINANCE\lifetime Exception information: Exception type: HttpException Exception message: Request timed out. Request information: Request URL: http://aspstage.mcfi.net/fmsStaging/reports/EmployeeLis ...