unity3d导出apk时报错

Error building Player: CommandInvokationFailure: Failed to re-package resources. See the Console for details.
D:\android-sdk_r24.4.1-windows\android-sdk-windows\build-tools\24.0.0-preview\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "D:/android-sdk_r24.4.1-windows/android-sdk-windows\platforms\android-23\android.jar" -F bin/resources.ap_

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看不懂 这是什么意思

http://www.cnblogs.com/123ing/p/3840712.html