Unable to install the package

[kevinmamaqi]

0 info it worked if it ends with ok
1 verbose cli [ '/usr/local/Cellar/node/7.0.0/bin/node',
1 verbose cli '/usr/local/bin/npm',
1 verbose cli 'install',
1 verbose cli 'firmata' ]
2 info using npm@3.10.8
3 info using node@v7.0.0
4 silly loadCurrentTree Starting
5 silly install loadCurrentTree
6 silly install readLocalPackageData
7 silly rollbackFailedOptional Starting
8 silly rollbackFailedOptional Finishing
9 silly runTopLevelLifecycles Finishing
10 silly install printInstalled
11 verbose stack Error: Failed to parse json
11 verbose stack Trailing comma in object at 27:3
11 verbose stack }
11 verbose stack ^
11 verbose stack at parseError (/usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:390:11)
11 verbose stack at parseJson (/usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:79:23)
11 verbose stack at /usr/local/lib/node_modules/npm/node_modules/read-package-json/read-json.js:48:5
11 verbose stack at /usr/local/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:78:16
11 verbose stack at tryToString (fs.js:425:3)
11 verbose stack at FSReqWrap.readFileAfterClose [as oncomplete] (fs.js:412:12)
12 verbose cwd /Users/kevinmamaqi/Desktop/SST
13 error Darwin 16.6.0
14 error argv "/usr/local/Cellar/node/7.0.0/bin/node" "/usr/local/bin/npm" "install" "firmata"
15 error node v7.0.0
16 error npm v3.10.8
17 error file /Users/kevinmamaqi/Desktop/SST/package.json
18 error code EJSONPARSE
19 error Failed to parse json
19 error Trailing comma in object at 27:3
19 error }
19 error ^
20 error File: /Users/kevinmamaqi/Desktop/SST/package.json
21 error Failed to parse package.json data.
21 error package.json must be actual JSON, not just JavaScript.
21 error
21 error This is not a bug in npm.
21 error Tell the package author to fix their package.json file. JSON.parse
22 verbose exit [ 1, true ]

[rwaldron]

Please check your file /Users/kevinmamaqi/Desktop/SST/package.json in https://jsonlint.com/

[kevinmamaqi]

Solved.