inno setup installer creation failed: undefined method encode for #<Ocra::Pathname:

[kematy]

When I run ocra: ocra xlsx2dxf.rb --no-lzma --chdir-first --innosetup xlsx2dxf.iss --windows I got xlsx2dxf.iss: inno setup installer creation failed: undefined method encode for #<Ocra::Pathname:... I want to know why and how solve it. ; Script generated by the Inno Setup Script Wizard. ; SEE THE DOCUMENTATION FOR DETAILS ON CREATING INNO SETUP SCRIPT FILES!

[Setup] ; NOTE: The value of AppId uniquely identifies this application. Do not use the same AppId value in installers for other applications. ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.) AppId={{5EF3D4BF-0B29-4C06-9C06-CD60892FDAA8} AppName=ExcelToDXF AppVersion=1.0 ;AppVerName=ExcelToDXF 1.0 AppPublisher=FSTL AppPublisherURL=151711064@qq.com AppSupportURL=151711064@qq.com AppUpdatesURL=151711064@qq.com DefaultDirName={autopf}\xlsx2DXF DisableProgramGroupPage=yes InfoAfterFile=D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\注册及使用说明.txt ; Uncomment the following line to run in non administrative install mode (install for current user only.) ;PrivilegesRequired=lowest OutputBaseFilename=mysetup Compression=lzma SolidCompression=yes WizardStyle=modern

[Languages] Name: "english"; MessagesFile: "compiler:Default.isl"

[Tasks] Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked

[Files] Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\xlsx2dxf.exe"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\drw.so"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\jydisk.dll"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\pub_key.pem"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\test_kk.xlsx"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\xlsx2dxf\注册及使用说明.txt"; DestDir: "{app}"; Flags: ignoreversion Source: "D:\ruby-project\xlsx2dxf\encprted\rgloader*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs ; NOTE: Don't use "Flags: ignoreversion" on any shared system files

[Icons] Name: "{autoprograms}\ExcelToDXF"; Filename: "{app}\xlsx2dxf.exe" Name: "{autodesktop}\ExcelToDXF"; Filename: "{app}\xlsx2dxf.exe"; Tasks: desktopicon

[Run] Filename: "{app}\xlsx2dxf.exe"; Description: "{cm:LaunchProgram,ExcelToDXF}"; Flags: nowait postinstall skipifsilent

[kematy]

I delete [Files],got the same error