Installation problem

[chrisedington]

Having trouble installing. Any ideas?

{
"plugins": [ "theme-gestalt", "-theme-default", "styles-sass-fix", "autocover" ],
    "pluginsConfig": {
	"theme-gestalt": {
	    "logo": "/assets/logo.png",	
	    "favicon": "/assets/favicon.png",	
	    "baseUrl": null,				
	    "excludeDefaultStyles": true,	
	    "doNotHideChildrenChapters" : false	
	}
}   
}

➜  made_source_code git:(master) ✗ node -v
v8.9.0
➜  made_source_code git:(master) ✗ gitbook --version
CLI version: 2.3.2
GitBook version: 3.2.3
➜  made_source_code git:(master) ✗ gitbook install
info: installing 3 plugins using npm@3.9.2
info:
info: installing plugin "theme-gestalt"
info: install plugin "theme-gestalt" (*) from NPM with version 1.0.6
/Users/chris/Repositories/made_source_code
└── gitbook-plugin-theme-gestalt@1.0.6

info: >> plugin "theme-gestalt" installed with success
info:
info: installing plugin "styles-sass-fix"
info: install plugin "styles-sass-fix" (*) from NPM with version 1.1.2
internal/child_process.js:323
    throw errnoException(err, 'spawn');
    ^

Error: spawn E2BIG
    at _errnoException (util.js:1024:11)
    at ChildProcess.spawn (internal/child_process.js:323:11)
    at exports.spawn (child_process.js:502:9)
    at spawn (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/lib/utils/spawn.js:7:13)
    at runCmd_ (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/lib/utils/lifecycle.js:237:14)
    at runCmd (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/lib/utils/lifecycle.js:196:5)
    at runPackageLifecycle (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/lib/utils/lifecycle.js:160:3)
    at Array.<anonymous> (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/node_modules/slide/lib/bind-actor.js:15:8)
    at LOOP (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/node_modules/slide/lib/chain.js:15:14)
    at chain (/Users/chris/.gitbook/versions/3.2.3/node_modules/npm/node_modules/slide/lib/chain.js:20:5)
➜  made_source_code git:(master) ✗