router base error in Nuxt version rc11
[issue link]When i set
router: { base: '/th/' },
in file nuxt.config.js then my console show this error
promise.then(resolve).catch(reject)
^
TypeError: Cannot read property ‘then’ of undefined
at Immediate.(/Users/biig/Desktop/MyWork/Sellsuki/sellsuki-invoice2.0/build/webpack:/app.js:38:7)
at runCallback (timers.js:674:20)
at tryOnImmediate (timers.js:645:5)
at processImmediate [as _immediateCallback] (timers.js:617:5)