Error to do build ember cordova to android

When I run the following command in ember

cordova:build --platform=android

The following error occurs:

BUILD FAILED

Total time: 8.227 secs
ERROR building one of the platforms: Error: /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/cordova/build: Command failed with exit code 8
You may not have the required environment or OS to build this project
/Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/res/debug/xml/config.xml:27: error: Error parsing XML: unbound prefix


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':processDebugResources'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
    /usr/local/Cellar/android-sdk/24.0.2/build-tools/22.0.1/aapt package -f --no-crunch -I /usr/local/Cellar/android-sdk/24.0.2/platforms/android-22/android.jar -M /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/manifests/full/debug/AndroidManifest.xml -S /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/res/debug -A /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/assets/debug -m -J /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/generated/source/r/debug -F /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/res/resources-debug.ap_ --debug-mode --custom-package com.soul.book -0 apk --output-text-symbols /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/symbols/debug
  Error Code:
    1
  Output:
    /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/res/debug/xml/config.xml:27: error: Error parsing XML: unbound prefix



* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

/Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/cordova/node_modules/q/q.js:126
                    throw e;
                          ^
Error code 1 for command: /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/gradlew with args: cdvBuildDebug,-b,/Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build.gradle,-Dorg.gradle.daemon=true
Error: /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/cordova/build: Command failed with exit code 8
    at ChildProcess.whenDone (/usr/local/lib/node_modules/cordova/node_modules/cordova-lib/src/cordova/superspawn.js:131:23)
    at ChildProcess.emit (events.js:98:17)
    at maybeClose (child_process.js:766:16)
    at Process.ChildProcess._handle.onexit (child_process.js:833:5)

Error thrown while running shell command: "cordova build android"
Error: Command failed: /Users/mizereke/Desktop/projects/tagon8/soulbook/app/cordova/platforms/android/build/intermediates/res/debug/xml/config.xml:27: error: Error parsing XML: unbound prefix


FAILURE: Build failed with an exception.

The webapp is already running in the browser correctly, so why am I getting this error message during my builds?