unity-ads crash on android 7.0

----exception localized message----
Inflater has been closed

----exception stack trace----
java.lang.IllegalStateException: Inflater has been closed
at java.util.zip.Inflater.ensureOpen(Inflater.java:397)
at java.util.zip.Inflater.inflate(Inflater.java:258)
at com.android.okhttp.okio.InflaterSource.read(InflaterSource.java:67)
at com.android.okhttp.okio.GzipSource.read(GzipSource.java:80)
at com.android.okhttp.okio.RealBufferedSource$1.read(RealBufferedSource.java:396)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.io.FilterInputStream.read(FilterInputStream.java:107)
at com.unity3d.ads.request.WebRequest.makeStreamRequest(WebRequest.java:182)
at com.unity3d.ads.cache.CacheThreadHandler.downloadFile(CacheThreadHandler.java:111)
at com.unity3d.ads.cache.CacheThreadHandler.handleMessage(CacheThreadHandler.java:46)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at com.unity3d.ads.cache.CacheThread.run(CacheThread.java:44)
-----dumpkey----