Can't Add Card

[OnePoke2]

After clean install by these command, the error had occuered.
How to solve this error?

> git clone https://github.com/kava-labs/switch
> cd switch
> npm install
> npm run serve

---- >

vue.runtime.esm.js?2b0e:619 [Vue warn]: Error in render: "TypeError: Cannot read property 'privateKey' of undefined"

found in

---> <ConfigEth> at src/components/dialog/pages/ConfigEth.vue
       <ModalDialog> at src/components/dialog/Dialog.vue
         <App> at src/components/App.vue
           <Root>

vue.runtime.esm.js?2b0e:1888 TypeError: Cannot read property 'privateKey' of undefined
    at Proxy.render (eval at ./node_modules/cache-loader/dist/cjs.js?{"cacheDirectory":"node_modules/.cache/vue-loader","cacheIdentifier":"e300843a-vue-loader-template"}!./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/cache-loader/dist/cjs.js?!./node_modules/vue-loader/lib/index.js?!./src/components/dialog/pages/ConfigEth.vue?vue&type=template&id=6b985715&scoped=true& (app.js:2980), <anonymous>:53:50)
    at VueComponent.Vue._render (vue.runtime.esm.js?2b0e:3542)
    at VueComponent.updateComponent (vue.runtime.esm.js?2b0e:4060)
    at Watcher.get (vue.runtime.esm.js?2b0e:4473)
    at Watcher.run (vue.runtime.esm.js?2b0e:4548)
    at flushSchedulerQueue (vue.runtime.esm.js?2b0e:4304)
    at Array.eval (vue.runtime.esm.js?2b0e:1980)
    at flushCallbacks (vue.runtime.esm.js?2b0e:1906)