ERROR: Game target not found. When building for android

Now I’m having another problem with packaging.

It’s saying it can’t make an APK without the compiled .so

UEDeployAndroid.UpdateGameActivity: 
UEDeployAndroid.UpdateGameActivity: ==== Writing new GameActivity.java file to F:\Unreal Projects\Header\Intermediate/Android/APK\src\com\epicgames\ue4\GameActivity.java ====
<>c.<PrintExceptionInfo>b__4_1: ==============================================================================
<>c.<PrintExceptionInfo>b__4_0: ERROR: Can't make an APK without the compiled .so [F:\Unreal Projects\Header\Binaries\Android\Header-armv7-es2.so]
<>c.<PrintExceptionInfo>b__4_0:        (see for full exception trace)
<>c.<PrintExceptionInfo>b__4_1: