when I finish a project, I click on compile and I press the QR code at a certain point the download stops and gives me an error. More than 5 hours of work in the toilet
Can you show the screenshot
If you don't mind, can you share your project with us so we can see what's going on with it.
Take a quick look through my check list:
https://www.professorcad.co.uk/appinventortips#TipsApk Cannot Build/Install/Run APK
what exactly was the error message?
my also same i make doodle app and my QR code saying eroor
Welcome to the community @Ravishankar_Chauhan. What was the error message?