Facing error while creating an ionic project

On running the command “ionic start todo blank”,instead of creatng the project folder, It is showing following error on command prompt

undefined:7
}
^
SyntaxError: Unexpected token }
at Object.parse (native)
at Object.module.exports.load (C:\Users\itsupport\AppData\Roaming\npm\node_m
odules\ionic\lib\ionic\config.js:12:24)
at Object. (C:\Users\itsupport\AppData\Roaming\npm\node_modules\i
onic\lib\ionic\stats.js:517:31)
at Module._compile (module.js:460:26)
at Object.Module._extensions…js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object. (C:\Users\itsupport\AppData\Roaming\npm\node_modules\i
onic\lib\ionic\info.js:8:18)

Please help me in resolving this issue.
Thanks in advance