Objects in families has lost their connections

Hi,

during normal work, something very bad happen. Every project is broken.

I have project in several databases, in each database is the same.

Tried to create fresh one and restore projects, no help.

Tried allMaintenance options like rebuilding database, refreshing etc., also no help.

Promis.e v8i SS8.

Symptoms:

objects in families has lost their connections, on picture below family has 1 parent and 9 child - software see only child9.

Sometimes when device usage chart is displayed, error popups (but not always)

See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
   at Bentley.Electrical.UI.SchematicElement.DDeviceUsageChart.IsCurrentRow(DataRow dr)
   at Bentley.Electrical.UI.SchematicElement.DDeviceUsageChart.IsCurrentRow(Int32 rowhandle)
   at Bentley.Electrical.UI.SchematicElement.DDeviceUsageChart.gridView1_RowCellStyle(Object sender, RowCellStyleEventArgs e)
   at DevExpress.XtraGrid.Views.Grid.GridView.RaiseGetRowCellStyle(Int32 rowHandle, GridColumn column, GridRowCellState state, AppearanceObject appearance)
   at DevExpress.XtraGrid.Views.Grid.GridView.GetRowCellStyle(Int32 rowHandle, GridColumn column, GridRowCellState state, AppearanceObject appearance)
   at DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo.UpdateCellAppearanceCore(GridCellInfo cell)
   at DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo.UpdateCellAppearance(GridCellInfo cell, Boolean always)
   at DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo.CreateCellEditViewInfo(GridCellInfo cell, Boolean calc, Boolean allowCache)
   at DevExpress.XtraGrid.Views.Grid.ViewInfo.GridViewInfo.RequestCellEditViewInfo(GridCellInfo cell)
   at DevExpress.XtraGrid.Views.Grid.GridView.UpdateCellHotInfo(BaseHitInfo hitInfo, Point hitPoint)
   at DevExpress.XtraGrid.Views.Base.ColumnView.OnCellMouseEnter(BaseHitInfo hitInfo)
   at DevExpress.XtraGrid.Views.Grid.GridView.OnHotTrackEnter(BaseHitInfo hitInfo)
   at DevExpress.XtraGrid.Views.Base.ColumnView.OnHotTrackChanged(BaseHitInfo oldInfo, BaseHitInfo newInfo)
   at DevExpress.XtraGrid.Views.Base.ViewInfo.BaseSelectionInfo.OnHotTrackChanged(BaseHitInfo newInfo)
   at DevExpress.XtraGrid.Views.Base.ViewInfo.BaseSelectionInfo.CheckHotTrackMouseMove(BaseHitInfo hitInfo)
   at DevExpress.XtraGrid.Views.Grid.Handler.GridHandler.OnMouseMove(MouseEventArgs ev)
   at DevExpress.Utils.Controls.BaseHandler.ProcessEvent(EventType etype, Object args)
   at DevExpress.XtraGrid.Views.Base.Handler.BaseViewHandler.ProcessEvent(EventType etype, Object args)
   at DevExpress.XtraGrid.GridControl.OnMouseMove(MouseEventArgs ev)
   at System.Windows.Forms.Control.WmMouseMove(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at DevExpress.XtraEditors.Container.EditorContainer.WndProc(Message& m)
   at DevExpress.XtraGrid.GridControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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