Server Error in '/RDMS' Application.

Hi.

I have just installed Remote desktop manager server and the basics are working.
Adding users, getting connected to the datasource through the client etc.
But If I want to see the connection logs within the admin webpage I get the error bellow.

Anyone seen this before?

Server Error in '/RDMS' Application. Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).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: Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. [/table]
Stack Trace:

[FormatException: Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).] System.GuidResult.SetFailure(ParseFailureKind failure, String failureMessageID, Object failureMessageFormatArgument, String failureArgumentName, Exception innerException) +96 System.Guid.TryParseGuidWithNoStyle(String guidString, GuidResult& result) +105 System.Guid.TryParseGuid(String g, GuidStyles flags, GuidResult& result) +668 System.Guid..ctor(String g) +247 Devolutions.RemoteDesktopManager.Server.Secure.SessionLogs.GetlogEntriesData() in c:\Dev\devolutions\Websites\RemoteDesktopManagerOnline\Server\Secure\SessionLogs.aspx.cs:24 [TargetInvocationException: Exception has been thrown by the target of an invocation.] System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0 System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +277 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +713 System.Web.UI.WebControls.ObjectDataSourceView.InvokeMethod(ObjectDataSourceMethod method, Boolean disposeInstance, Object& instance) +1252 System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +1962 System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +24 System.Web.UI.WebControls.DataBoundControl.PerformSelect() +316 System.Web.UI.Control.LoadRecursive() +116 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2910 [/table]
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34009