invalid access to memory - TAuthenticateForm::Log

Invalid access to memory.

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Stack trace:
(00760A13) TAuthenticateForm::Log
(0081A832) C5058_0
(0081C89A) ____ExceptionHandler
(00819814) __ExceptionHandler
(0008A52F) ntdll.dll
(00077DAA) ntdll.dll.KiUserExceptionDispatcher
(0008669B) TTerminalManager::TerminalInformation
(00734B46) TTerminal::DoInformation
(00734C4E) TTerminal::Information
(006672D7) TFileZillaImpl::HandleStatus
(0067534C) TFTPFileSystem::ProcessMessage
(006755D7) TFTPFileSystem::DoWaitForReply
(006756C3) TFTPFileSystem::WaitForReply
(0067571C) TFTPFileSystem::WaitForCommandReply
(0066FDAA) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(0066F22C) TFTPFileSystem::CopyToRemote
(00748E49) TTerminal::CopyToRemote
(0000C3F5) TCustomScpExplorerForm::ExecuteFileOperation
(0001DC27) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0001DDB4) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(0062D69E) TUnixDirView::PerformItemDragDropOperation
(003E87A2) Customdirview::TCustomDirView::DDProcessDropped
(0040E3FB) Dragdrop::TDragDrop::WndMethod
(00352004) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) USER32.dll.DispatchMessageW

(00760A13) TAuthenticateForm::Log
(0081A832) C5058_0
(0081C89A) ____ExceptionHandler
(00819814) __ExceptionHandler
(0008A52F) ntdll.dll
(00077DAA) ntdll.dll.KiUserExceptionDispatcher
(0008669B) TTerminalManager::TerminalInformation
(00734B46) TTerminal::DoInformation
(00734C4E) TTerminal::Information
(006672D7) TFileZillaImpl::HandleStatus
(0067534C) TFTPFileSystem::ProcessMessage
(006755D7) TFTPFileSystem::DoWaitForReply
(0067563B) TFTPFileSystem::DoWaitForReply
(006756C3) TFTPFileSystem::WaitForReply
(0067571C) TFTPFileSystem::WaitForCommandReply
(0066FDAA) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(0066F22C) TFTPFileSystem::CopyToRemote
(00748E49) TTerminal::CopyToRemote
(0000C3F5) TCustomScpExplorerForm::ExecuteFileOperation
(0001DC27) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0001DDB4) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(0062D69E) TUnixDirView::PerformItemDragDropOperation
(003E87A2) Customdirview::TCustomDirView::DDProcessDropped
(0040E3FB) Dragdrop::TDragDrop::WndMethod
(00352004) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) USER32.dll.DispatchMessageW

(0081AE9D) C5058_0
(0081C477) _ReThrowException
(00675644) TFTPFileSystem::DoWaitForReply
(0067563B) TFTPFileSystem::DoWaitForReply
(006756C3) TFTPFileSystem::WaitForReply
(0067571C) TFTPFileSystem::WaitForCommandReply
(0066FDAA) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(00670A0F) TFTPFileSystem::DirectorySource
(0066F867) TFTPFileSystem::Source
(0066F436) TFTPFileSystem::SourceRobust
(0066F22C) TFTPFileSystem::CopyToRemote
(00748E49) TTerminal::CopyToRemote
(0000C3F5) TCustomScpExplorerForm::ExecuteFileOperation
(0001DC27) TCustomScpExplorerForm::RemoteFileControlDragDropFileOperation
(0001DDB4) TCustomScpExplorerForm::RemoteFileControlDDFileOperation
(0062D69E) TUnixDirView::PerformItemDragDropOperation
(003E87A2) Customdirview::TCustomDirView::DDProcessDropped
(0040E3FB) Dragdrop::TDragDrop::WndMethod
(00352004) System::Classes::_18201
(000374F1) USER32.dll
(00015C3B) USER32.dll
(0001553C) USER32.dll
(000152FB) USER32.dll.DispatchMessageW