System.Web.UI.ControlCollection exception

[Gursharan]

Hi,

I get this error after I did a load test on my website (500 constant user
load in team system for 35 minutes). This error is logged after about 1
minute of load testing and is logged every 60 seconds. Any ideas?

Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 30/07/2006 21:56:12
Event time (UTC): 30/07/2006 20:56:12
Event ID: 21f2c256cc384abea2b8701ca753055f
Event sequence: 827693
Event occurrence: 331428
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1413016675/Root-1-127987631290436289
Trust level: Full
Application Virtual Path: /
Application Path: C:\Program Files\Microsoft\BT
SDP\SDP\SDPUI\SDPBusinessPortal\
Machine name: SDP-BVE2-IIS2

Process information:
Process ID: 2516
Process name: w3wp.exe
Account name: BVE2\SDPBusinessPortal

Exception information:
Exception type: ArgumentOutOfRangeException
Exception message: Count must be positive and count must refer to a
location within the string/array/collection.
Parameter name: count

Request information:
Request URL: http://www2.btbroadbandoffice.com/default.aspx
Request path: /default.aspx
User host address: xxx.xx.xx.xxx
User:
Is authenticated: False
Authentication Type:
Thread account name: BVE2\SDPBusinessPortal

Thread information:
Thread ID: 85
Thread account name: BVE2\SDPBusinessPortal
Is impersonating: False
Stack trace: at System.Array.IndexOf[T](T[] array, T value, Int32
startIndex, Int32 count)
at System.Web.UI.ControlCollection.IndexOf(Control value)
at System.Web.UI.ControlCollection.Remove(Control value)
at System.Web.UI.Control.AddedControl(Control control, Int32 index)
at System.Web.UI.ControlCollection.Add(Control child)
at BT.Communications.Sdp.UI.Webpart.BTBusinessToday.C reateChildControls()
at System.Web.UI.Control.EnsureChildControls()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.WebControls.WebParts.WebPart.PreRend erRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Custom event details:

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