Abnormal program termination - TStoredSessionList::DoSave

<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)>

I am trying to create a new site and save it. Whenever I press Save the program terminates abnormally

WinSCP 6.7

Error message:
Abnormal program termination

Stack trace:
(00A6BC6B) TStoredSessionList::DoSave
(00A5C568) TStoredSessionList::Save
(00B731C0) TLoginDialog::SaveAsSession
(00B73AD2) TLoginDialog::SaveSessionActionExecute
(003CF515) Vcl::Controls::TWinControl::WndProc
(003F3B1C) Vcl::Stdctrls::TButtonControl::WndProc
(003CF66F) Vcl::Controls::_17122
(003CF515) Vcl::Controls::TWinControl::WndProc
(000B75AF) TGroupBoxEx::WndProc
(00235394) System::Classes::_18364
(00045E79) USER32.dll
(00036947) USER32.dll
(000364E5) USER32.dll
(000432ED) USER32.dll
(00072F5B) ntdll.dll
(00035DBE) USER32.dll
(00045B49) COMCTL32.DLL
(0005800A) COMCTL32.DLL
(00045E79) USER32.dll
(00036947) USER32.dll
(00035E9A) USER32.dll
(003CF61D) Vcl::Controls::TWinControl::DefaultHandler
(003CF515) Vcl::Controls::TWinControl::WndProc
(003F3B1C) Vcl::Stdctrls::TButtonControl::WndProc
(00235394) System::Classes::_18364
(00045E79) USER32.dll
(00036947) USER32.dll
(00035A86) USER32.dll
(0003585B) USER32.dll

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.

@steve.risbridger: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.