带有firebase插件的Nativescript构建错误

Question

我对nativescript的firebase插件有问题; 当我建立时，我总是得到这个;

Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Skip com.google.android.gms.internal.zzak
        Error: java.lang.NullPointerException
Skip com.google.android.gms.internal.zzan
        Error: java.lang.NullPointerException
Skip com.google.android.gms.internal.zzao
        Error: java.lang.NullPointerException
Skip org.nativescript.plugins.firebase.MyFirebaseMessagingService
    Error: java.lang.NullPointerException
Project successfully built.