Error while opening windows 8.1 Approval Application for Microsoft Dynamics AX


i have installed approval application for Microsoft Dynamics AX  2012(its an windows 8.1 APP) . my OS is Windows 8.1.
whenever i open the application with my credentials, application is throwing the following error.

Unhandled FaultException calling Microsoft.Dynamics.Framework.RapidStart.Connector.Modules.AXMobile.ApprovalsRestService.GetConfiguration. User: (SHARIFHO\it.aa (FQDN: sharifho.local)).
System.ServiceModel.FaultException`1[Microsoft.Dynamics.Framework.RapidStart.Connector.Modules.AXMobile.Proxies.Approvals.AifFault]: Current user does not have delegate access to creating worker (Fault Detail is equal to Microsoft.Dynamics.Framework.RapidStart.Connector.Modules.AXMobile.Proxies.Approvals.AifFault).

note:   my credentials have administrator access level in AX 2012

kindly suggest me the solution

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Damon ReptonOwner\DirectorCommented:
there are a few hotfixes you might need

 Install the required hotfixes for Microsoft Dynamics AX 2012 R2

 To use of Windows 8 or phone applications, the following hotfixes are required:

 If you are using the Windows 8 Expense app, the following hotfix, which must be installed prior to installing the next hotfix) is required: KB2867017

 To enable the services that the Approvals, Expense, and Timesheet apps communicate with, you must install the following hotfix or have installed Cumulative Update 7 for Microsoft Dynamics AX 2012 R2: KB2877944

 To enable the services that the Business Analyzer app communicates with, you must install the following hotfix: KB2892866

 Please check the Partnersource page for the latest information on available hotfixes:
mahmood66Author Commented:
add concern users in AX->user Relation

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mahmood66Author Commented:
add the concern users in AX-user relation.
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Windows 8

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