FAILURE: Build failed with an exception PROBLEM

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Can you help me?
I can’t solve this problem

FAILURE: Build failed with an exception.

  • Where:
    Initialization script ‘C:\Users\Erdem\AppData\Local\Temp\Main_main__.gradle’ line: 21

  • What went wrong:
    A problem occurred configuring project ‘:app’.

Could not create task ‘:app:Main.main()’.
SourceSet with name ‘main’ not found.

  • Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

  • Get more help at https://help.gradle.org

BU�LD FAILED in 18s
19:22:06: Task execution finished ‘Main.main()’.

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