ERROR in ./node_modules/babel-polyfill/lib/index.js Module build failed (from ./node_modules/babel-loader/lib/index.js): Error: .plugins[0][1] must be an object, false, or undefined
ERROR in ./node_modules/babel-polyfill/lib/index.js Module build failed (from ./node_modules/babel-loader/lib/index.js): Error: .plugins[0][1] must be an object, false, or undefined
Все же понятно, нет? Второй элемент массива должен быть object/false/undefined