Actually I am using gatsby for my personal blog, When I tried to start for my blog build using npm command “npm start” it occued some error like below error message Error: EACCES: permission denied, open ‘/Users/derrick/.config/gatsby/config.json’ Error: EACCES: permission denied, open ‘/Users/derrick/.config/gatsby/config.json’ You don’t have access to this file. it might be occurred error tried to build without permission, so I changed a permission with mac commands chmod option $ sudo chmod …