Copying files to remote side failed - TFileOperationProgressType::OperationProgress

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.8

Error message:
Nie powiodło się kopiowanie plików do maszyny odległej.

Division by zero

Stack trace:
(00664347) TFileOperationProgressType::OperationProgress
(0081A832) C5058_0
(0081C89A) ____ExceptionHandler
(00819814) __ExceptionHandler
(0008A52F) ntdll.dll
(00077DAA) ntdll.dll.KiUserExceptionDispatcher

(0081AE9D) C5058_0
(0081C477) _ReThrowException
(00664274) TFileOperationProgressType::Start
(00748A23) TTerminal::CopyToRemote
(000B6898) Upload
(000BAAB8) Execute
(0000249C) wWinMain
(00818A29) __wstartup
(000646C1) ntdll.dll
(00064689) ntdll.dll

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>
Select file from explorer, send to -> WinSCP, choose SSH server and connect, choose path and start uploading.

WinSCP 5.8

Error message:
Copying files to remote side failed.

Division by zero

Stack trace:
(00664347) TFileOperationProgressType::OperationProgress
(0081A832) C5058_0
(0081C89A) ____ExceptionHandler
(00819814) __ExceptionHandler
(0005A5DA) ntdll.dll
(0000F12E) ntdll.dll.KiUserExceptionDispatcher

(0081AE9D) C5058_0
(0081C477) _ReThrowException
(00664274) TFileOperationProgressType::Start
(00748A23) TTerminal::CopyToRemote
(000B6898) Upload
(000BAAB8) Execute
(0000249C) wWinMain
(00818A29) __wstartup
(00038880) ntdll.dll
(00038850) ntdll.dll

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your reports.

This bug has been added to the tracker:
https://winscp.net/tracker/1383

I'm sending you an email with a development version of WinSCP to the address you have used to register on this forum.

Right click local generate URL
WinSCP 5.9.3

Error message:
Division by zero

Stack trace:
(006945D7) TFileOperationProgressType::OperationProgress
(000624F6) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(007F2A4C) TProgressForm::UpdateTimerTimer
(00373100) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.9.3

Error message:
Division by zero

Трассировка стека:
(006945D7) TFileOperationProgressType::OperationProgress
(00081D3F) ntdll.dll
(0006F8EA) ntdll.dll.KiUserExceptionDispatcher
(007F2A4C) TProgressForm::UpdateTimerTimer
(00373100) System::Classes::_18201
(0002C2B1) USER32.dll
(0000D885) USER32.dll
(0000D1DF) USER32.dll
(0000CF9B) USER32.dll.DispatchMessageW

I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.

Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.

<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>

WinSCP 5.9.3

Error message:
Division by zero

Stack trace:
(006945D7) TFileOperationProgressType::OperationProgress
(00866422) C5073_3
(0086848A) ____ExceptionHandler
(00865244) __ExceptionHandler
(000624F6) ntdll.dll
(0000F13E) ntdll.dll.KiUserExceptionDispatcher
(0008D2BA) TTerminalManager::OperationProgress
(00772D71) TTerminal::DoProgress
(006946AF) TFileOperationProgressType::DoProgress
(007877C9) TTerminal::CopyToLocal
(0001EA8F) TCustomScpExplorerForm::DDDownload
(00045300) TScpCommanderForm::LocalFileControlDDFileOperation
(004169D3) Dirview::TDirView::PerformDragDropFileOperation
(004126F6) Dirview::TDirView::PerformItemDragDropOperation
(0040847A) Customdirview::TCustomDirView::DDProcessDropped
(0042CA1F) Dragdrop::TDragDrop::WndMethod
(00373100) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

(00866A8D) C5073_3
(00868067) _ReThrowException
(00694504) TFileOperationProgressType::Start
(007877C9) TTerminal::CopyToLocal
(0001EA8F) TCustomScpExplorerForm::DDDownload
(00045300) TScpCommanderForm::LocalFileControlDDFileOperation
(004169D3) Dirview::TDirView::PerformDragDropFileOperation
(004126F6) Dirview::TDirView::PerformItemDragDropOperation
(0040847A) Customdirview::TCustomDirView::DDProcessDropped
(0042CA1F) Dragdrop::TDragDrop::WndMethod
(00373100) System::Classes::_18201
(000152F7) USER32.dll
(00015D35) USER32.dll
(000167BF) USER32.dll
(00016885) USER32.dll.DispatchMessageW

The problem happens rarely. I cannot reproduce it.