A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution

Execution failed for task ':app:kaptAndroid_oppoDebugKotlin'.
> A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution
   > java.lang.reflect.InvocationTargetException (no error message)

* 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.

手动删除 Android Studio 的 Cache 文件夹里面的所有内容，然后重新启动AS即可。（我在升级 Android Studio2020.3、Kotlin 1.5 和 Gradle 7.0 时遇到了同样的问题。这个解决方案解决了我的问题）
~/Library/Caches/Google/AndroidStudio2020.3/Cache