获取当前远程目录名出错。 - void System::Classes::TArray::Sort<>

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WinSCP 5.13.6

Error message:
获取当前远程目录名出错。

无效的内存访问。

Stack trace:
(0038F045) void System::Classes::TArray::Sort<>
(008BF022) C5105_0
(008C108A) ____ExceptionHandler
(008BDE44) __ExceptionHandler
(0006248E) ntdll.dll
(0000F15E) ntdll.dll.KiUserExceptionDispatcher
(007BF946) TTerminal::ReadCurrentDirectory
(007BB0CF) TTerminal::ReactOnCommand
(0067C697) TUnixDirView::ChangeDirectory
(0067AA4A) TUnixDirView::ExecuteFile
(0041E6C6) Customdirview::TCustomDirView::DoExecute
(0041F297) Customdirview::TCustomDirView::WMLButtonDblClk
(0025BDCD) Vcl::Controls::TWinControl::WndProc
(0029FCFB) Vcl::Comctrls::TCustomListView::WndProc
(00381118) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(0001FD22) USER32.dll
(0001FD48) USER32.dll.CallWindowProcW
(004440FB) Dragdrop::TDragDrop::WndMethod
(00381118) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(008BF68D) C5105_0
(008C0C67) _ReThrowException
(007BCB16) TTerminal::DoChangeDirectory
(007BF946) TTerminal::ReadCurrentDirectory
(007BB0CF) TTerminal::ReactOnCommand
(0067C697) TUnixDirView::ChangeDirectory
(0067AA4A) TUnixDirView::ExecuteFile
(0041E6C6) Customdirview::TCustomDirView::DoExecute
(0041F297) Customdirview::TCustomDirView::WMLButtonDblClk
(0025BDCD) Vcl:%

The problem happens rarely. I cannot reproduce it.