I'm having trouble making my design into an app. I used the ai2 companion to connect, and tried it out, which worked fine. When I tried Build > App(provide QRcode for .apk), this error message pops up.
App inventor is unable to compile this project.
The compile error was
The problem is, it never tells me what the compile error is. It's such a simple app, so what could possibly go wrong? Any help would be appreciated.