Invalid access to memory - TTerminal::Close

I just deleted 2134 local files, that's all

WinSCP 5.13.7

Error message:
Invalid access to memory.

Stack trace:
(007B68EC) TTerminal::Close
(008BF00E) C5105_0
(008C1076) ____ExceptionHandler
(008BDE30) __ExceptionHandler
(0007E16F) ntdll.dll
(0006BD81) ntdll.dll.KiUserExceptionDispatcher
(007C1AEE) TTerminal::ProcessFiles
(007C27CA) TTerminal::DeleteLocalFiles
(0000F314) TCustomScpExplorerForm::ExecuteFileOperation
(0000F59C) TCustomScpExplorerForm::ExecuteFileOperation
(0000F623) TCustomScpExplorerForm::ExecuteFileOperationCommand
(0003904F) TNonVisualDataModule::ExplorerActionsExecute
(003C31E0) System::Actions::TContainedActionList::ExecuteAction
(001A8FC1) Vcl::Actnlist::TCustomAction::Execute

(008BF679) C5105_0
(008C0C53) _ReThrowException
(00014C46) TCustomScpExplorerForm::DeleteFiles
(0000F314) TCustomScpExplorerForm::ExecuteFileOperation
(0000F59C) TCustomScpExplorerForm::ExecuteFileOperation
(0000F623) TCustomScpExplorerForm::ExecuteFileOperationCommand
(0003904F) TNonVisualDataModule::ExplorerActionsExecute
(003C31E0) System::Actions::TContainedActionList::ExecuteAction
(001A8FC1) Vcl::Actnlist::TCustomAction::Execute

The problem happens rarely. I cannot reproduce it.