Abnormal program termination - TConfiguration::Import

<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 6.7

Error message:
Abnormal program termination

Stack trace:
(009233B8) TConfiguration::Import
(00B7A55F) TLoginDialog::ImportActionExecute
(0023455B) System::Classes::TBasicAction::Execute
(00235394) System::Classes::_18364
(00038CC1) USER32.dll
(00027D78) USER32.dll
(00026D45) USER32.dll
(000268AB) USER32.dll

The problem happens rarely. I cannot reproduce it.

<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 6.7

Error message:
Abnormal program termination

Stack trace:
(009233B8) TConfiguration::Import
(00B7A55F) TLoginDialog::ImportActionExecute
(0023455B) System::Classes::TBasicAction::Execute
(00235394) System::Classes::_18364
(00046CA1) USER32.dll
(00026F65) USER32.dll
(000259DC) USER32.dll
(0002551B) 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.