Some polyfills have been added but are not present in your dependencies.
Please run one of the following commands:
	npm install --save array.prototype.entries@^1.0.0 array.prototype.keys@^1.0.0 array.prototype.values@^1.0.0 object.entries@^1.1.1 object.values@^1.1.1 string.prototype.split@^1.0.1
	yarn add array.prototype.entries@^1.0.0 array.prototype.keys@^1.0.0 array.prototype.values@^1.0.0 object.entries@^1.1.1 object.values@^1.1.1 string.prototype.split@^1.0.1
