CRM 2015 - Hierarchy Rule Defined Entities

We performed a fresh installation of CRM 2015. Systemuser entity comes with a default Hierarchy Rule defined and when we try to access systemuser list it gives the following error:

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Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 6.12.2014 11:19:28
Event time (UTC): 6.12.2014 09:19:28
Event ID: bb450d204a6243bf8ab2433d77f02bdd
Event sequence: 127
Event occurrence: 4
Event detail code: 0

Application information:
Application domain: /LM/W3SVC/1/ROOT-1-130623304179102831
Trust level: Full
Application Virtual Path: /
Application Path: C:\Program Files\Microsoft Dynamics CRM\CRMWeb\
Machine name: DEVCRM01

Process information:
Process ID: 1740
Process name: w3wp.exe
Account name: MERKEZ\SVC_CRMAPP

Exception information:
Exception type: CrmException
Exception message: Invalid character specified for alias: HierarchyDataParentID6dcd9e4c001441b09237d51a34853d55. Only characters within the ranges [A-Z], [a-z] or [0-9] or _ are allowed. The first character may only be in the ranges [A-Z], [a-z] or _.
at Microsoft.Crm.Query.Expression.ValidateAlias(String alias)
at Microsoft.Crm.Query.ColumnSetExpression.AddColumnWithAlias(String attributePlatformName, String alias)
at Microsoft.Crm.ApplicationQuery.HierarchyAwareRetrieveMultipleCommand.DecorateQuery()
at Microsoft.Crm.ApplicationQuery.BuildQuery()
at Microsoft.Crm.ApplicationQuery.GetViewData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.GetData(QueryBuilder queryBuilder)
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.LoadQueryData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.LoadData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderBase.PrepareGridData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderBase.PrepareData()
at Microsoft.Crm.Application.Controls.GridUIProvider.Render(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.RenderData(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.RenderInnerHtml(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.Render(HtmlTextWriter output)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at Microsoft.Crm.Web.EntityHomepage.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Request information:
Request URL: http://devcrm01/TEST/_root/homepage.aspx?etc=8&pagemode=iframe
Request path: /TEST/_root/homepage.aspx
User host address: 172.30.4.26
User: MERKEZ\ahmet.sancar
Is authenticated: True
Authentication Type: Negotiate
Thread account name: MERKEZ\SVC_CRMAPP

Thread information:
Thread ID: 15
Thread account name: MERKEZ\SVC_CRMAPP
Is impersonating: False
Stack trace: at Microsoft.Crm.Query.Expression.ValidateAlias(String alias)
at Microsoft.Crm.Query.ColumnSetExpression.AddColumnWithAlias(String attributePlatformName, String alias)
at Microsoft.Crm.ApplicationQuery.HierarchyAwareRetrieveMultipleCommand.DecorateQuery()
at Microsoft.Crm.ApplicationQuery.BuildQuery()
at Microsoft.Crm.ApplicationQuery.GetViewData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.GetData(QueryBuilder queryBuilder)
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.LoadQueryData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderQueryBuilder.LoadData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderBase.PrepareGridData()
at Microsoft.Crm.Application.Platform.Grid.GridDataProviderBase.PrepareData()
at Microsoft.Crm.Application.Controls.GridUIProvider.Render(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.RenderData(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.RenderInnerHtml(HtmlTextWriter output)
at Microsoft.Crm.Application.Components.UI.Grid.DataGrid.Render(HtmlTextWriter output)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at Microsoft.Crm.Web.EntityHomepage.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)