I was installing react native element by following steps given on
"https://react-native-training.github.io/react-native-elements/docs/getting_started.html".

after last step i got error on "react-native link react-native-vector-icons"
"rnpm-install ERR! Something went wrong while linking. Error: Expected "=" but "/" found. "

i have done deletion of node modules re-installed it.
cleaned graddlew
updated npm and yarn , maybe all libraries are also updated
"react": "16.6.1",
"react-native": "0.57.7",