GPGS: login ok, achievements.show ok, 401 responce on achievements update

Hello.

I experiencing with odd issue using gpgs plugin. 

In my app I have log in and show achievements buttons (second one unlocked after successful login).

When I login I can view all achievements from my game services (2 of them I already published and 1 more is test).

But calling gpgs.achievements.increment method returns following error: STATUS_CLIENT_RECONNECT_REQUIRED

In adb log I also see :
 

BasicNetwork.performRequest: Unexpected response code 401 for https://www.googleapis.com/games/v1/achievements/XXXXXXXXXXX/increment?stepsToIncrement=X&requestId=XXXXXXXXXXXXX

Returning back to achievements popup (showed by gpgs.achievements.show ) - I see progress with achievements.

How it can be possible and what can I do to fix it?
 

In case if it will help: I see a lot of warning messages:
 

W AppOps  : Bad call: specified package com.google.android.gms under uid 10395 but it is really 10037

Also this error appears right after login:
 

E Volley  : [45453] BasicNetwork.performRequest: Unexpected response code 401 for https://www.googleapis.com/games/v1/applications/played

I recreated play services from Google Play Console, repeat setup process. Now achievement increment works correctly, but calling gpgs.achievements.load crashes my game with exception:

java.lang.NullPointerException: Attempt to invoke virtual method ‘java.lang.String android.net.Uri.toString()’ on a null object reference

at plugin.gpgs.Achievements$LoadAchievementsResultCallback.onResult(Achievements.java:245)

at plugin.gpgs.Achievements$LoadAchievementsResultCallback.onResult(Achievements.java:216)

at com.google.android.gms.internal.zzqe$zza.zzb(Unknown Source)

at com.google.android.gms.internal.zzqe$zza.handleMessage(Unknown Source)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:234)

at android.app.ActivityThread.main(ActivityThread.java:5526)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)

should I publish my play services before calling this method?