java.lang.NullPointerException

[do-irl]

com.snapchat.kit.sdk.core.config.f.a (f.java:3011)
com.snapchat.kit.sdk.core.config.f$2.onResponse (f.java:118)
retrofit2.DefaultCallAdapterFactory$ExecutorCallbackCall$1.lambda$onResponse$0 (DefaultCallAdapterFactory.java:89)
retrofit2.DefaultCallAdapterFactory$ExecutorCallbackCall$1.lambda$onResponse$0$DefaultCallAdapterFactory$ExecutorCallbackCall$1 (DefaultCallAdapterFactory.java)
retrofit2.-$$Lambda$DefaultCallAdapterFactory$ExecutorCallbackCall$1$hVGjmafRi6VitDIrPNdoFizVAdk.run (-.java:6)
android.os.Handler.handleCallback (Handler.java:883)
android.os.Handler.dispatchMessage (Handler.java:100)
android.os.Looper.loop (Looper.java:237)
android.app.ActivityThread.main (ActivityThread.java:8107)
java.lang.reflect.Method.invoke (Method.java)
com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:496)
com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1100)

I'm using version 1.8.0 and I got many logs about this crash. Seem like it happens when calling fetchConfig on SDK and I don't known how to fix it.