Failed to find Build Tools revision 31.0.0

Issue

I had to reinstall Android Studio for some reason. After installing, I am not able to build my project, getting this error

Failed to find Build Tools revision 31.0.0

There's no warning or error showing in build.gradle file

I have tried changing compiledSdkVersion,buildToolsVersion and targetSdkVersion to 30

As you can see, if I change the version to 30, it is saying me to update to 31.

This is my project structure.

I have also tried Sync project with gradle files, Invalidate cashes, and restart, but no help. I don't know what to do now.

Solution

Problem fixed.

Previously the class path in my project level gradle was 4.2.2, it was not showing any warning though.

classpath "com.android.tools.build:gradle:4.2.2"

I had to replace it with

classpath 'com.android.tools.build:gradle:7.0.0'

And the project compiled successfully.

@SweetD3v's answer was helpful.

Answered By - Rupam Das