Unrecognized Guid format error on Issues/MyIssues

[jlechem]

If you navigate to Issues/MyIssues I get the following error:

Server Error in '/BugNET_WAP' Application.

Unrecognized Guid format.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Unrecognized Guid format.

Source Error:

Line 190: protected string GetTotalMonitoredIssuesCount()
Line 191: {
Line 192: var user = UserManager.GetUser(new Guid(ViewIssueMemberDropDown.SelectedValue));
Line 193:
Line 194: return IssueManager.GetMonitoredIssuesByUserName(user.UserName, false).Count.ToString();

Source File: C:\Users\lecheminant.justin\Downloads\bugnet-master\bugnet-master\src\BugNET_WAP\Issues\MyIssues.aspx.cs Line: 192

Stack Trace:

[FormatException: Unrecognized Guid format.]
System.GuidResult.SetFailure(ParseFailureKind failure, String failureMessageID, Object failureMessageFormatArgument, String failureArgumentName, Exception innerException) +3799688
System.Guid.TryParseGuid(String g, GuidStyles flags, GuidResult& result) +525
System.Guid..ctor(String g) +137
BugNET.Issues.MyIssues.GetTotalMonitoredIssuesCount() in C:\Users\lecheminant.justin\Downloads\bugnet-master\bugnet-master\src\BugNET_WAP\Issues\MyIssues.aspx.cs:192
ASP.issues_myissues_aspx.__RenderContent2(HtmlTextWriter __w, Control parameterContainer) in c:\Users\lecheminant.justin\Downloads\bugnet-master\bugnet-master\src\BugNET_WAP\Issues\MyIssues.aspx:49
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +263
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +160
System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +131
System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +50
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +160
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +160
System.Web.UI.Page.Render(HtmlTextWriter writer) +39
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
System.Web.UI.d__523.MoveNext() +10593