Error occurred during logging. It's been turned off

Try to activate a running session from the taskbar

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

WinSCP 5.7.7

Error message:
Error occurred during logging. It's been turned off.

Out of memory

Stack trace:
(003B4B00)
(003B4B00)
(003B4C31)
(003275B3)
(006CB4F8)
(006CB638)
(006CB16B)
(006CB5C0)
(0065C8D1)
(0064C8D3)
(0065A6AC)
(0065A93B)
(0065AA27)
(0065AA80)
(0064FBEB)
(0070C483)
(0067241F)
(006718BF)
(00079C36)
(00014C47)
(000379EB)
(000379A8)
(0034059C)
(0001B4F4) USER32.dll
(0001B5F2) USER32.dll
(0001BC2B) USER32.dll
(0001BC83) USER32.dll.DispatchMessageW

Status: unknown_rel_addr

The problem happens rarely. I cannot reproduce it.