SyntaxError: Unexpected token =

[chivalry123]

when I try to config kraken, i got this error, do you know what might have happen? [email protected]:~$ coinx config kraken /usr/local/lib/node_modules/coinx/node_modules/bitfinex-api-node/index.js:11 constructor (apiKey, apiSecret, opts = { version: 1, transform: false, nonceGenerator: false }) { ^

SyntaxError: Unexpected token = at exports.runInThisContext (vm.js:53:16) at Module._compile (module.js:374:25) at Object.Module._extensions..js (module.js:417:10) at Module.load (module.js:344:32) at Function.Module._load (module.js:301:12) at Module.require (module.js:354:17) at require (internal/module.js:12:17) at Object. (/usr/local/lib/node_modules/coinx/lib/bitfinex.js:4:13) at Module._compile (module.js:410:26) at Object.Module._extensions..js (module.js:417:10) at Module.load (module.js:344:32) at Function.Module._load (module.js:301:12) at Module.require (module.js:354:17) at require (internal/module.js:12:17) at /usr/local/lib/node_modules/coinx/commands/coinx-core.js:29:20 at Array.forEach (native)