NoSuchFieldError: No static fiel

最近在重构代码，将代码进行模块化开发，分为library和app，成功安装启动，点击页面时，报以下错误：

 Process: com.cxyx.wms.pda.outbound, PID: 30237
    java.lang.NoSuchFieldError: No static field item of type I in class Lcom/cxyx/wms/pda/outbound/BR; or its superclasses (declaration of 'com.cxyx.wms.pda.outbound.BR' appears in /data/app/com.cxyx.wms.pda.outbound-1/base.apk:classes2.dex)
        at com.cxyx.wms.pda.outbound.databinding.OutboundTransferPickingFragmentOverviewBindingImpl.setItem(OutboundTransferPickingFragmentOverviewBindingImpl.java:120)
        at com.cxyx.wms.pda.outbound.transfer.v3.picking.page.TransferPickingOverviewFragment.initView(TransferPickingOverviewFragment.java:75)
        at com.cxyx.wms.pda.app.AbsBaseFragmentBinding.onViewCreated(AbsBaseFragmentBinding.java:78)
        at androidx.fragment.app.Fragment.performViewCreated(Fragment.java:2987)
        at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:546)
        at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:282)
        at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
        at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
        at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
        at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
        at android.os.Handler.handleCallback(Handler.java:815)
        at android.os.Handler.dispatchMessage(Handler.java:104)
        at android.os.Looper.loop(Looper.java:207)
        at android.app.ActivityThread.main(ActivityThread.java:5765)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)

解决：检查models的AndroidManifest.xml的package name是否与其他的model中的package name重复。我的就是library的package name和app的重复导致的。