Range check error - TRemoteFile::GetTypeName

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 6.5.1

Error message:
Range check error

Stack trace:
(0013CE66)
(0013CE66)
(0013CFD9)
(001EF197)
(00BB2771)
(00C488B5)
(000CA823)
(000CAD43)
(000E0A58)
(000269C4)
(000CC505)
(00D33E04)
(004B1EE6)
(00204B54)
(00040489) USER32.dll
(00036B75) USER32.dll
(0003541B) USER32.dll
(00034F4B) USER32.dll.DispatchMessageW

(00139A88)
(0008818F) ntdll.dll
(00074711) ntdll.dll.KiUserExceptionDispatcher
(00C5085C) TRemoteFile::GetTypeName
(00BB1F92) TUnixDirView::GetDisplayInfo
(0050645C) Customdirview::TCustomDirView::CNNotify
(0039E286) Vcl::Controls::TControl::WndProc
(003A3431) Vcl::Controls::TWinControl::WndProc
(0041AF43) Vcl::Comctrls::TCustomListView::WndProc
(003A358B) Vcl::Controls::_17122
(003A3431) Vcl::Controls::TWinControl::WndProc
(003A293C) Vcl::Controls::TWinControl::MainWndProc
(00204B54) System::Classes::_18364
(00040489) USER32.dll
(00036B75) USER32.dll
(0003678B) USER32.dll
(0003AC4D) USER32.dll
(000746CB) ntdll.dll.KiUserCallbackDispatcher
(00034DF8) USER32.dll.SendMessageW
(00068C01) COMCTL32.DLL
(00067057) COMCTL32.DLL
(00039494) COMCTL32.DLL
(00063F73) COMCTL32.DLL
(000635EB) COMCTL32.DLL
(0007AF04) COMCTL32.DLL.DPA_DeletePtr
(0007AE55) COMCTL32.DLL.DPA_DeletePtr
(0007AD44) COMCTL32.DLL.DPA_DeletePtr
(0007AC80) COMCTL32.DLL.DPA_DeletePtr
(00065B73) COMCTL32.DLL
(00064C32) COMCTL32.DLL
(00040489) USER32.dll
(00036B75) USER32.dll
(000362A1) USER32.dll.GetSystemMetricsForDpi
(00034AD6) USER32.dll.CallWindowProcW
(003A3539) Vcl::Controls::TWinControl::DefaultHandler
(003A80C3) Vcl::Controls::TWinControl::WMPrintClient
(0039E286) Vcl::Controls::TControl::WndProc
(003A3431) Vcl::Controls::TWinControl::WndProc
(0041AF43) Vcl::Comctrls::TCustomListView::WndProc
(003A3E8F) Vcl::Controls::TWinControl::WMPaint
(0041CDED) Vcl::Comctrls::TCustomListView::WMPaint
(003A3431) Vcl::Controls::TWinControl::WndProc
(0041AF43) Vcl::Comctrls::TCustomListView::WndProc
(00204B54) System::Classes::_18364
(00040489) USER32.dll
(00036B75) USER32.dll
(000362A1) USER32.dll.GetSystemMetricsForDpi
(00034AD6) USER32.dll.CallWindowProcW
(0007A1F7) COMCTL32.DLL
(0007A296) COMCTL32.DLL
(0007A04C) COMCTL32.DLL
(00040489) USER32.dll
(00036B75) USER32.dll
(000362A1) USER32.dll.GetSystemMetricsForDpi
(00034AD6) USER32.dll.CallWindowProcW
(005393AB) Dragdrop::TDragDrop::WndMethod
(00204B54) System::Classes::_18364
(00040489) USER32.dll
(00036B75) USER32.dll
(0003678B) USER32.dll
(0003AC4D) USER32.dll
(000746CB) ntdll.dll.KiUserCallbackDispatcher
(00034F4B) USER32.dll.DispatchMessageW

(00139A88) System::UStrAsg
(0008818F) ntdll.dll
(00074711) ntdll.dll.KiUserExceptionDispatcher
(00C4DB26) TRemoteToken::GetDisplayText
(00BB1EFF) TUnixDirView::GetDisplayInfo
(0050645C) Customdirview::TCustomDirView::CNNotify
(0039E286) Vcl::Controls::TControl::WndProc
(003A3431) Vcl::Controls::TW

The problem happens rarely. I cannot reproduce it.