React-create-app configuration react-router error report, no mind, beginner react, to ask Daniel for help?

1. First take a look at the error
clipboard.png

clipboard.png
2.react

clipboard.png

clipboard.png
this is the routing file

Mar.04,2021

export default () => {
    return(
        <Route path='/main' component={Main} />
    );
}

reference:
https://github.com/allan2code.

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-64f5-1b2c4b1-2bb00.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2c4b1-2bb00.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?