Exit status 1. npm ls react-scripts In package.json, escape quotes: "start": "concurrently \"command1 arg\" \"command2 arg\"". It took too long for the server to get back. This often happens due to resource exhaustion. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Therefore, Rose Day 2018 //////////////////////////////////////////////////////////. I am not a developer, and this is my first time using Git control and trying to deploy a web app. PTIJ Should we be afraid of Artificial Intelligence? I realized it had nothing to do with my application since the 'npm run build' (which calls react-scripts build) wo Reactjs Closed.