Error getting name of current remote directory - Vcl::Stdctrls::TButtonStyleHook::PrepareAnimationDC

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WinSCP 5.7.5

Error message:
Error getting name of current remote directory.

Invalid access to memory.

Stack trace:
(0018F040) Vcl::Stdctrls::TButtonStyleHook::PrepareAnimationDC
(007E39EA) C4799_0
(007E5A52) ____ExceptionHandler
(007E29CC) __ExceptionHandler
(0005A5DA) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher

The problem happens rarely. I cannot reproduce it.