how can i solve this problem Compiled with problems: ERROR in ./src/App.js 20:37-43 export 'Switch' (imported as 'Switch') was not found in 'react-router-dom' (
aec
implicit-parameters
unbuffered
akka-camel
dynamodb-queries
refresh-token
qmdiarea
collation
aeron
react-native-macos
stringtokenizer
winpty
bacpac
checkmarx
maintainability
ccl
redis-cli
toolstripdropdown
adobe-illustrator
postgres-9.6
scss-lint
phaser-framework
git-non-bare-repository
android-viewbinder
jexceljs
jchart2d
formatdatetime
vert.x
apache-spark-encoders
error-messaging
