Unityエラー　CommandInvokationFailure: Failed to re-package resources.

エラーの内容

CommandInvokationFailure: Failed to re-package resources.
C:\Users\devel\AppData\Local\Android\sdk\build-tools\23.0.3\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "C:/Users/devel/AppData/Local/Android/sdk\platforms\android-25\android.jar" -F bin/resources.ap_

stderr[
AndroidManifest.xml:2: error: Error parsing XML: reference to invalid character number

]
stdout[
Configurations:
 (default)
 v14
 v21
 ldpi-v4
 hdpi-v4
 xhdpi-v4
 xxhdpi-v4
 xxxhdpi-v4

Files:
  drawable\app_icon.png
    Src: () res\drawable\app_icon.png
    Src: (ldpi-v4) res\drawable-ldpi\app_icon.png
    Src: (hdpi-v4) res\drawable-hdpi\app_icon.png
    Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png
    Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png
    Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png
  values\strings.xml
    Src: () res\values\strings.xml
  values\styles.xml
    Src: () res\values\styles.xml
    Src: (v14) res\values-v14\styles.xml
    Src: (v21) res\values-v21\styles.xml
  AndroidManifest.xml
    Src: () AndroidManifest.xml

Resource Dirs:
  Type drawable
    drawable\app_icon.png
      Src: () res\drawable\app_icon.png
      Src: (ldpi-v4) res\drawable-ldpi\app_icon.png
      Src: (hdpi-v4) res\drawable-hdpi\app_icon.png
      Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png
      Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png
      Src: (xhdpi-v4) res\drawable-xhdpi\app_icon.png
      Src: (xxhdpi-v4) res\drawable-xxhdpi\app_icon.png
      Src: (xxxhdpi-v4) res\drawable-xxxhdpi\app_icon.png
  Type values
    values\styles.xml
      Src: () res\values\styles.xml
      Src: (v14) res\values-v14\styles.xml
      Src: (v21) res\values-v21\styles.xml
]
UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.PostProcessor.Tasks.TasksCommon.Exec (System.String command, System.String args, System.String workingdir, System.String errorMsg, Int32 retiresOnFailure)
UnityEditor.HostView:OnGUI()

develはユーザ名です。

これが起こったのは、IOS向けにビルドしてから、再びアンドロイド向けにビルドを走らせたときでした。