1937178 - Error: The value passed for parameter \"id\" is invalid - Afaria

An already enrolled iOS device lost suddenly all policies and is no more in the Mobile Device Management (MDM) control.
When clicking to the inspector of an iOS device in the Afaria Admin, the internet browser reports the following error message:

Server Error in '/mdmgui' Application.
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The value passed for parameter \"id\" is invalid. The invalid value is: {b503299f-37dc-47e8-946b-67842b9ffcf9}
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.ServiceModel.FaultException`1[[AfariaService.InvalidParameterValue, AfariaServiceInterfaces, Version=7.0.6233.0, Culture=neutral, PublicKeyToken=null]]: The value passed for parameter \"id\" is invalid. The invalid value is: {b503299f-37dc-47e8-946b-67842b9ffcf9}

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.

Stack Trace:

[FaultException`1: The value passed for parameter \"id\" is invalid. The invalid value is: {b503299f-37dc-47e8-946b-67842b9ffcf9}]
   Afaria.Admin.UserControls.Device.InspectorIdentity.IdentityIOS.Initialize(String strDeviceID) +6149
   Afaria.Admin.UserControls.Device.InspectorViewControl.setIdentityView(Int32 iClientUID, ClientType eDeviceCat) +519
   Afaria.Admin.UserControls.Device.InspectorViewControl.inspectorMultiView_ActiveViewChanged(Object sender, EventArgs e) +167
   Afaria.Admin.UserControls.Device.InspectorViewControl.ProcessSingleDevice(Int32 iClientUID, ClientType eDeviceCat) +205
   Afaria.Admin.UserControls.Device.DeviceGrid.ProcessCurrentDevicesRadGridSelection(Boolean bDevicesRadGrid_ItemCommand) +1132
   Telerik.Web.UI.AjaxRequestDelegate.Invoke(Object sender, AjaxRequestEventArgs e) +0
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3707

• SAP Afaria 7 SP3
• Microsoft Windows 2008 R2
• Microsoft SQL Server 2008 R2
• iOS 7.0.3

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