![When I run "yarn start", my tsconfig.json changes automatically. It changes the "jsx: react" to "jsx: react-jsx". But when it happens, all my HTML tags get error messages. Someone know how to When I run "yarn start", my tsconfig.json changes automatically. It changes the "jsx: react" to "jsx: react-jsx". But when it happens, all my HTML tags get error messages. Someone know how to](https://preview.redd.it/pe8s8pnmjd161.png?width=640&crop=smart&auto=webp&s=a43f3502e7dac9177444bfd2106cf728bf170f1c)
When I run "yarn start", my tsconfig.json changes automatically. It changes the "jsx: react" to "jsx: react-jsx". But when it happens, all my HTML tags get error messages. Someone know how to
![React from A-Z — Part B — Install/Update Yarn and Start Your First Project | by Nipuna Upeksha | Medium React from A-Z — Part B — Install/Update Yarn and Start Your First Project | by Nipuna Upeksha | Medium](https://miro.medium.com/v2/resize:fit:1098/1*c3h3qBKgJt0dJj7jV0eH8w.png)
React from A-Z — Part B — Install/Update Yarn and Start Your First Project | by Nipuna Upeksha | Medium
Problem with running "yarn start" in a react project - Software & Applications - Manjaro Linux Forum
![javascript - Error al intentar usar npm start o yarn start en un proyecto nuevo de create-react-app - Stack Overflow en español javascript - Error al intentar usar npm start o yarn start en un proyecto nuevo de create-react-app - Stack Overflow en español](https://i.stack.imgur.com/y1hqQ.png)
javascript - Error al intentar usar npm start o yarn start en un proyecto nuevo de create-react-app - Stack Overflow en español
![On running yarn start or npm start for fixtures is throwing error. · Issue #11963 · facebook/react · GitHub On running yarn start or npm start for fixtures is throwing error. · Issue #11963 · facebook/react · GitHub](https://user-images.githubusercontent.com/5938110/34579825-a04d453c-f1b0-11e7-85d1-458e6a9001f2.jpg)
On running yarn start or npm start for fixtures is throwing error. · Issue #11963 · facebook/react · GitHub
![React app installed but both npm start and yarn start failed · Issue #6728 · facebook/create-react-app · GitHub React app installed but both npm start and yarn start failed · Issue #6728 · facebook/create-react-app · GitHub](https://user-images.githubusercontent.com/43072010/55267779-d6746f80-525a-11e9-9edd-b0a9adf48372.png)