There's a specific kind of panic that only Android developers know. You open your project. You change one line — maybe you bumped a library version, maybe you added a new dependency, maybe you literally changed nothing and just opened it on a different day. And then the banner appears at the top of Android Studio: "Gradle sync failed." For a long time, my entire response to that message was to scroll to the bottom of the error, see a wall of red text I didn't understand, and immediately send it to Ai Sometimes that worked. A lot of times it didn't. The day things changed was when I stopped scrolling to the bottom and started reading from the top. Gradle errors are actually telling you something. They're not random. Once you know the patterns, they're almost predictable. Let's go through them — for real this time. First: What Does "Gradle Sync" Actually Mean?…