Invalid access to memory - _mp_lshift_fixed_into

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First time error. I was logging in to connect. Would be interested to know if the crash report reveals specific information about the crash. Thank you.

WinSCP 6.3.5

Error message:
Invalid access to memory.

Stack trace:
(00A97CBB) _mp_lshift_fixed_into
(00E24572) C6612_0
(00E265DA) ____ExceptionHandler
(00E23394) __ExceptionHandler
(00087F7F) ntdll.dll
(00074501) ntdll.dll.KiUserExceptionDispatcher

(00E24BDD) C6612_0
(00E261B7) _ReThrowException
(00BC5693) TSecureShell::Init
(00BC4EC2) TSecureShell::Open
(00C5E811) TTerminal::Open
(00B7EB03) TTerminalThread::TerminalOpenEvent
(00B79934) TSignalThread::Execute
(000D246B) Userinterface::C20_0
(0001ECC7) KERNEL32.DLL.BaseThreadInitThunk
(0006709C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00067069) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00E24BDD) C6612_0
(00E261B7) _ReThrowException
(00BC572E) TSecureShell::Init
(00BC4EC2) TSecureShell::Open
(00C5E811) TTerminal::Open
(00B7EB03) TTerminalThread::TerminalOpenEvent
(00B79934) TSignalThread::Execute
(000D246B) Userinterface::C20_0
(0001ECC7) KERNEL32.DLL.BaseThreadInitThunk
(0006709C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00067069) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00E24BDD) C6612_0
(00E261B7) _ReThrowException
(00BC4FB0) TSecureShell::Open
(00C5E811) TTerminal::Open
(00B7EB03) TTerminalThread::TerminalOpenEvent
(00B79934) TSignalThread::Execute
(000D246B) Userinterface::C20_0
(0001ECC7) KERNEL32.DLL.BaseThreadInitThunk
(0006709C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00067069) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00E24BDD) C6612_0
(00E261B7) _ReThrowException
(00C5E9B9) TTerminal::Open
(00B7EB03) TTerminalThread::TerminalOpenEvent
(00B79934) TSignalThread::Execute
(000D246B) Userinterface::C20_0
(0001ECC7) KERNEL32.DLL.BaseThreadInitThunk
(0006709C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00067069) ntdll.dll.RtlGetAppContainerNamedObjectPath

(00E24BDD) C6612_0
(00E261B7) _ReThrowException
(00C5F025) TTerminal::Open
(00B7EB03) TTerminalThread::TerminalOpenEvent
(00B79934) TSignalThread::Execute
(000D246B) Userinterface::C20_0
(0001ECC7) KERNEL32.DLL.BaseThreadInitThunk
(0006709C) ntdll.dll.RtlGetAppContainerNamedObjectPath
(00067069) ntdll.dll.RtlGetAppContainerNamedObjectPath

The problem happens rarely. I cannot reproduce it.