cannot build

[Emmanuel-Tsapekis]

This is my debug log. Any ideas?
0 info it worked if it ends with ok
1 verbose cli [ 'C:\Program Files\nodejs\node.exe',
1 verbose cli 'C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js',
1 verbose cli 'run',
1 verbose cli 'build' ]
2 info using [email protected]
3 info using [email protected]
4 verbose run-script [ 'prebuild', 'build', 'postbuild' ]
5 info lifecycle [email protected]prebuild: [email protected]
6 silly lifecycle [email protected]prebuild: no script for prebuild, continuing
7 info lifecycle [email protected]build: [email protected]
8 verbose lifecycle [email protected]build: unsafe-perm in lifecycle true
9 verbose lifecycle [email protected]build: PATH: C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin;C:\Users\E-man\not-gwent-online\node_modules.bin;C:\Program Files\Java\jdk1.7.0_25\bin;C:\MinGW\bin;c:\MinGW\msys\1.0\bin;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Windows Live\Shared;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0;C:\Program Files (x86)\Skype\Phone;C:\Program Files (x86)\GtkSharp\2.12\bin;C:\Program Files (x86)\Windows Kits\8.1\Windows Performance Toolkit;C:\Program Files\Git\cmd;C:\Program Files\nodejs;C:\Program Files\Java\jre1.8.0_31\bin;C:\Users\E-man\AppData\Local\Microsoft\WindowsApps;C:\Users\E-man\AppData\Roaming\npm
10 verbose lifecycle [email protected]build: CWD: C:\Users\E-man\not-gwent-online
11 silly lifecycle [email protected]build: Args: [ '/d /s /c', 'gulp --production' ]
12 silly lifecycle [email protected]build: Returned: code: 1 signal: null
13 info lifecycle [email protected]~build: Failed to exec build script
14 verbose stack Error: [email protected] build: gulp --production
14 verbose stack Exit status 1
14 verbose stack at EventEmitter. (C:\Program Files\nodejs\node_modules\npm\lib\utils\lifecycle.js:255:16)
14 verbose stack at emitTwo (events.js:106:13)
14 verbose stack at EventEmitter.emit (events.js:191:7)
14 verbose stack at ChildProcess. (C:\Program Files\nodejs\node_modules\npm\lib\utils\spawn.js:40:14)
14 verbose stack at emitTwo (events.js:106:13)
14 verbose stack at ChildProcess.emit (events.js:191:7)
14 verbose stack at maybeClose (internal/child_process.js:885:16)
14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
15 verbose pkgid [email protected]
16 verbose cwd C:\Users\E-man\not-gwent-online
17 error Windows_NT 10.0.14393
18 error argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "run" "build"
19 error node v7.2.1
20 error npm v3.10.10
21 error code ELIFECYCLE
22 error [email protected] build: gulp --production
22 error Exit status 1
23 error Failed at the [email protected] build script 'gulp --production'.
23 error Make sure you have the latest version of node.js and npm installed.
23 error If you do, this is most likely a problem with the Gwent-online package,
23 error not with npm itself.
23 error Tell the author that this fails on your system:
23 error gulp --production
23 error You can get information on how to open an issue for this project with:
23 error npm bugs Gwent-online
23 error Or if that isn't available, you can get their info via:
23 error npm owner ls Gwent-online
23 error There is likely additional logging output above.
24 verbose exit [ 1, true ]