System.ArgumentNullException: Value cannot be null. Parameter name: value
at System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType)
at Kreezee.Web.HttpModules.WhiteLabel.context_BeginRequest(Object sender, EventArgs e) in D:\a\9\s\Assemblies\Kreezee.Web\HttpModules\WhiteLabel.cs:line 100
at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.<>c__DisplayClass285_0.b__0()
at System.Web.HttpApplication.StepInvoker.Invoke(Action executionStep)
at System.Web.HttpApplication.StepInvoker.<>c__DisplayClass4_0.b__0()
at Microsoft.AspNet.TelemetryCorrelation.TelemetryCorrelationHttpModule.OnExecuteRequestStep(HttpContextBase context, Action step)
at System.Web.HttpApplication.<>c__DisplayClass284_0.b__0(Action nextStepAction)
at System.Web.HttpApplication.StepInvoker.Invoke(Action executionStep)
at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)