nsi file compile error: see log for details

[ghost]

MakeNSIS v3.0b1 - Copyright 1999-2014 Contributors
See the file COPYING for license details.
Credits can be found in the Users Manual.

Processing config: C:\Program Files (x86)\NSIS\nsisconf.nsh
Processing default plugins: "C:\Program Files (x86)\NSIS\Plugins\x86-ansi*.dll"

• Banner::destroy
• Banner::getWindow
• Banner::show
• BgImage::AddImage
• BgImage::AddText
• BgImage::Clear
• BgImage::Destroy
• BgImage::Redraw
• BgImage::SetBg
• BgImage::SetReturn
• BgImage::Sound
• Dialer::AttemptConnect
• Dialer::AutodialHangup
• Dialer::AutodialOnline
• Dialer::AutodialUnattended
• Dialer::GetConnectedState
• InstallOptions::dialog
• InstallOptions::initDialog
• InstallOptions::show
• LangDLL::LangDialog
• Math::Script
• StartMenu::Init
• StartMenu::Select
• StartMenu::Show
• System::Alloc
• System::Call
• System::Copy
• System::Free
• System::Get
• System::Int64Op
• System::Store
• System::StrAlloc
• TypeLib::GetLibVersion
• TypeLib::Register
• TypeLib::UnRegister
• UserInfo::GetAccountType
• UserInfo::GetName
• UserInfo::GetOriginalAccountType
• VPatch::GetFileCRC32
• VPatch::GetFileMD5
• VPatch::vpatchfile
• advsplash::show
• nsDialogs::Create
• nsDialogs::CreateControl
• nsDialogs::CreateItem
• nsDialogs::CreateTimer
• nsDialogs::GetUserData
• nsDialogs::KillTimer
• nsDialogs::OnBack
• nsDialogs::OnChange
• nsDialogs::OnClick
• nsDialogs::OnNotify
• nsDialogs::SelectFileDialog
• nsDialogs::SelectFolderDialog
• nsDialogs::SetRTL
• nsDialogs::SetUserData
• nsDialogs::Show
• nsExec::Exec
• nsExec::ExecToLog
• nsExec::ExecToStack
• nsisdl::download
• nsisdl::download_quiet
• splash::show

!define: "MUI_INSERT_NSISCONF"=""

Changing directory to: "C:\Ethereum\Go"

Processing script file: "C:\Ethereum\Go\EthereumBuildEnv.nsi" (ACP)
Invalid command: GOPATH=C:\Ethereum\go
Error in script "C:\Ethereum\Go\EthereumBuildEnv.nsi" on line 1 -- aborting creation process