Apk fails to download

failed to download the apk file to my android device

Please show any error messages in full.

The error is missing...maybe it is the known icon error...

bellow is the kind of error displayed
App Inventor is unable to compile this project.
The compiler error output was
[ReadBuildInfo] Starting Task
[ReadBuildInfo] Task succeeded in 0.005 seconds
[LoadComponentInfo] Starting Task
[LoadComponentInfo] INFO: Generating assets...
[LoadComponentInfo] Component assets needed, n = 2
[LoadComponentInfo] INFO: Generating activities...
[LoadComponentInfo] Component activities needed, n = 0
[LoadComponentInfo] Component activity metadata needed, n = 0
[LoadComponentInfo] INFO: Generating broadcast receivers...
[LoadComponentInfo] Component content providers needed, n = 0
[LoadComponentInfo] INFO: Generating libraries...
[LoadComponentInfo] Libraries needed, n = 4
[LoadComponentInfo] Component metadata needed, n = 0
[LoadComponentInfo] INFO: Generating Android minimum SDK...
[LoadComponentInfo] INFO: Generating native libraries...
[LoadComponentInfo] Native Libraries needed, n = 0
[LoadComponentInfo] INFO: Generating permissions...
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Button" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Clock" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.FeatureCollection" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.File" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Form" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.HorizontalArrangement" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Image" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Label" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Map" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Notifier" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Player" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Polygon" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Sharing" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.Slider" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.VerticalArrangement" does not specify permissionConstraints
[LoadComponentInfo] INFO: Component "com.google.appinventor.components.runtime.VerticalScrollArrangement" does not specify permissionConstraints
[LoadComponentInfo] usesLocation = False
[LoadComponentInfo] Permissions needed, n = 9
[LoadComponentInfo] Component services needed, n = 0
[LoadComponentInfo] INFO: Generating component broadcast receivers...
[LoadComponentInfo] Task succeeded in 0.005 seconds
[PrepareAppIcon] Starting Task
[PrepareAppIcon] INFO: Creating mipmap dirs...
[PrepareAppIcon] INFO: Generating icons...
[PrepareAppIcon] Task errored
.
Dismiss

which icon because i have many icons

your app icon

Look in Project Properties

it works thank you everyone for the input