Invalid access to memory - @Tb2item@TTBPopupMenu@IsShortCut$qqrr22Winapi@Messages@TWMKey

<CTRL + R>

Random issue never happened before updating to 5.13.9

<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.13.9

Error message:
Invalid access to memory.

Stack trace:
(008AE5BF)
(00083FFF) ntdll.dll
(00071931) ntdll.dll.KiUserExceptionDispatcher
(0009ECB3)
(0009ED77)
(000349DF)
(003C3334)
(001A90CA)
(0046A58A) @Tb2item@TTBPopupMenu@IsShortCut$qqrr22Winapi@Messages@TWMKey

The problem happens rarely. I cannot reproduce it.