External exception C0000006 - TRichEdit20::CreateParams

Tried to Edit php file on the server

WinSCP 5.9.6

Error message:
External exception C0000006

Stack trace:
(0003D50E) ntdll.dll
(00045A86) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0003CF2D) ntdll.dll
(0003C69A) ntdll.dll
(0003B4B0) ntdll.dll.LdrLoadDll
(00010D24) KERNELBASE.dll.LoadLibraryExW
(00013937) kernel32.dll.LoadLibraryW
(007B6988) TRichEdit20::CreateParams
(0024E02C) Vcl::Controls::TWinControl::CreateWnd
(001B38F3) Vcl::Stdctrls::TCustomEdit::CreateWnd
(0028B8CC) Vcl::Comctrls::TCustomRichEdit::CreateWnd
(0024E632) Vcl::Controls::TWinControl::CreateHandle
(007B5EE5) ShowEditorForm
(00010652) TCustomScpExplorerForm::CustomExecuteFile
(0001261A) TCustomScpExplorerForm::ExecuteFile
(00012912) TCustomScpExplorerForm::ExecuteFile
(00036F8B) TNonVisualDataModule::ExplorerActionsExecute
(003B5680) System::Actions::TContainedActionList::ExecuteAction
(0019C7F9) Vcl::Actnlist::TCustomAction::Execute
(00373564) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
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