Problem with building the app (Android App .apk)

[Lars_V]

I want my app on my phone
When I press Build, than Android App.apk, I get this error message
App Inventor is unable to compile this project.The compiler error output
was[ReadBuildInfo] Starting Task[ReadBuildInfo] Task errored
Maybe it is because I have used an extension??
Tetris.aia (664.4 KB)

[Kevinkun]

show us the full error message, or post your aia here.

[Lars_V]

I did it ^^^

[Boban]

Try this one Tetris.aia (124.8 KB)

Project within project

[Lars_V]

what did you change?

[Boban]

@Boban

Project within project

"App Inventor is unable to compile this project." Error may be caused by: → Project in a project

Here is a guide (video instructions) on how to fix the problem that a project cannot be compiled: "App Inventor is unable to compile this project." [grafik] Possible reason: there is a project in a project. Caused by an extension that was imported from another AppInventor clone (here: AppyBuilder). This issue is now also increasingly reported in App Inventor, e.g. here: My app is getting server issues and here: Unable to build apk! See here how to fix this: