云端打包失败提示如下 是什么原因怎么设置

什么平台,请提供一下详细的日志

安装包制作开始

cd 安装包制作目录[BASE] && ant
Buildfile: 安装包制作目录build.xml

Copy_Ressource:
[echo] Copy app resource.
[echo]
[echo] assets
[echo]

init:
[echo] Init output directory.....
[echo]

dirs:
[echo]
[echo] Creating output directories if needed...
[echo]
[mkdir] Created dir: 安装包制作目录bin/classes

resource-src:
[echo]
[echo] Generating R.java / Manifest.java from the resources...
[echo]
[echo]
[echo] outdir-r path: src
[echo]
[echo]
[echo] aapt path: SDK目录build-tools/android-4.4/aapt
[echo]
[exec] AndroidManifest.xml:2: error: Error: String types not allowed (at 'screenOrientation' with value '').
[exec] AndroidManifest.xml:2: error: Error: String types not allowed (at 'screenOrientation' with value '').

BUILD FAILED
安装包制作目录build.xml:145: exec returned: 1

Total time: 0 seconds

额，到底什么问题