Why did I receive an error that my package name is "already in use"?

When uploading a binary file, you may see one of the following errors:

  • Failed to upload APK. The package name of the uploaded APK, com.amazon.android.yourapp, is already in use by an app owned by a different developer. Please contact us for more information.
  • Failed to upload App Bundle. The package name of the uploaded bundle, com.amazon.android.yourapp, is already in use by an app owned by a different developer. Please contact us for more information.

Please read the documentation on Duplicate package names for information about how to resolve this issue: