React scaffolding create-react-app cannot run after using npm run eject

react scaffolding create-react-app my-app can be run using npm start (see figure)



npm run eject


Why? ask God to explain

Mar.14,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eb83a1-69e2c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb83a1-69e2c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?