>> rollup -c
Error transforming /Applications/MAMP/htdocs/nodejs/src/main.js with 'babel' plugin: It looks like your Babel configuration specifies a module transformer. Please disable it. If you're using the "es2015" preset, consider using "es2015-rollup" instead. See https://github.com/rollup/rollup-plugin-babel#configuring-babel for more information
Error: Error transforming /Applications/MAMP/htdocs/nodejs/src/main.js with 'babel' plugin: It looks like your Babel configuration specifies a module transformer. Please disable it. If you're using the "es2015" preset, consider using "es2015-rollup" instead. See https://github.com/rollup/rollup-plugin-babel#configuring-babel for more information
    at preflightCheck (/Applications/MAMP/htdocs/nodejs/node_modules/rollup-plugin-babel/dist/rollup-plugin-babel.cjs.js:43:102)
    at Object.transform$1 [as transform] (/Applications/MAMP/htdocs/nodejs/node_modules/rollup-plugin-babel/dist/rollup-plugin-babel.cjs.js:104:18)
    at /usr/local/lib/node_modules/rollup/src/utils/transform.js:13:35
    at process._tickCallback (internal/process/next_tick.js:103:7)
    at Function.Module.runMain (module.js:577:11)
    at startup (node.js:160:18)
    at node.js:456:3