Unable to sign in to eB SMC community

Hi Support,

I'm unable to sign in to the eB SMC as below image;

After inserted password and click OK, error below will prompted;

Unable to load all the required Community Settings. Please check the Settings in your database.

Object reference not set to an instance of an object.

Exception Stack Trace:
{
--- Begin of exception stack trace ---
Unable to load all the required Community Settings. Please check the Settings in your database.

--- Begin of exception stack trace ---
   at System.Environment.get_StackTrace()
   at eB.Common.BaseException.ToString()
   at eB.Setup.Console.ErrorDialog.FormatException(Exception ex)
   at eB.Setup.Console.ErrorDialog..ctor(IWin32Window parent, String message, Exception ex)
   at eB.Setup.Console.ProxyList.GetProxy(String serverName, String dataSource, String GUID, String& userName, String& password, Boolean silent, String& proxyResult, Boolean addToProxyList, Boolean globalScopeOnly)
   at eB.Setup.Console.ProxyList.LoginProxy(IWin32Window parent, String applicationServer, String dataSource, String GUID, String& userName, String& password, Boolean& windowsLogon, Boolean addToProxyList, Boolean globalScopeOnly)
   at eB.Setup.Console.ProxyHelper.ProxyFromConnectionStringSilent(IWin32Window parent, String connectionInfo, Boolean globalScopeOnly)
   at eB.Setup.Console.GenericQueueControl.RefreshControl()
   at eB.Setup.Console.GenericQueueControl.InitializeControl(TreeNode parentNode)
   at eB.Setup.Console.formMain.CreateCurrentControl(TreeNode treeNode)
   at eB.Setup.Console.formMain.treeviewMain_AfterSelect(Object sender, TreeViewEventArgs e)
   at System.Windows.Forms.TreeView.TvnSelected(NMTREEVIEW* nmtv)
   at System.Windows.Forms.TreeView.WmNotify(Message& m)
   at System.Windows.Forms.TreeView.WndProc(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)
   at System.Windows.Forms.Control.SendMessage(Int32 msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Forms.Control.ReflectMessageInternal(IntPtr hWnd, Message& m)
   at System.Windows.Forms.Control.WmNotify(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.Application.ParkingWindow.WndProc(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)
   at System.Windows.Forms.NativeWindow.DefWndProc(Message& m)
   at System.Windows.Forms.TreeView.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.TreeView.WndProc(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)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at eB.Setup.Console.formMain.Main(String[] args)
--- End of exception stack trace ---System.NullReferenceException: Object reference not set to an instance of an object.
   at eB.Service.Index.AssemblyCache.InitCacheFromDatabase(Session session, Connection dbConnection)
--- End of exception stack trace ---
}
Inner Exception:
 
 Object reference not set to an instance of an object.
 Stack Trace:
 {
 --- Begin of exception stack trace ---
 System.NullReferenceException: Object reference not set to an instance of an object.
   at eB.Service.Index.AssemblyCache.InitCacheFromDatabase(Session session, Connection dbConnection)
 --- End of exception stack trace ---
 }
}

As you can see, the community is not been disabled.

Please advise.

Thank you.