2021-07-27 Android studio:Installed build tools revision 31.0.0 is corrupted.Remove and install ag

There is a problem with version 31.0.0. You can choose another version
first go to tools – & gt; Uninstall 31.0.0 in SDK manager, Download Android R (API 30: version 11)

after that, modify the three variables compilesdkversion, buildtoolsversion and targetsdkversion in APP/build.gradle file
compileSdkVersion 30
buildToolsVersion “30.0.0”
targetSdkVersion 30

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