Jan 30, 11:25 AM on app version 36
LGE LG G5 (h1), Android 8.0

java.lang.IllegalStateException: 
  at rx.internal.schedulers.ScheduledAction.run (ScheduledAction.java:57)
  at java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:457)
  at java.util.concurrent.FutureTask.run (FutureTask.java:266)
  at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run (ScheduledThreadPoolExecutor.java:301)
  at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1162)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:636)
  at java.lang.Thread.run (Thread.java:764)
Caused by: rx.exceptions.OnErrorNotImplementedException: 
  at rx.internal.util.InternalObservableUtils$ErrorNotImplementedAction.call (InternalObservableUtils.java:386)
  at rx.internal.util.InternalObservableUtils$ErrorNotImplementedAction.call (InternalObservableUtils.java:383)
  at rx.internal.util.ActionSubscriber.onError (ActionSubscriber.java:44)
  at rx.observers.SafeSubscriber._onError (SafeSubscriber.java:153)
  at rx.observers.SafeSubscriber.onError (SafeSubscriber.java:115)
  at rx.subjects.PublishSubject$PublishSubjectProducer.onError (PublishSubject.java:315)
  at rx.subjects.PublishSubject$PublishSubjectState.onError (PublishSubject.java:230)
  at rx.subjects.PublishSubject.onError (PublishSubject.java:77)
  at org.xwiki.android.sync.rest.XWikiHttp$2.call (XWikiHttp.java:116)
  at org.xwiki.android.sync.rest.XWikiHttp$2.call (XWikiHttp.java:113)
  at rx.internal.util.ActionSubscriber.onError (ActionSubscriber.java:44)
  at rx.observers.SafeSubscriber._onError (SafeSubscriber.java:153)
  at rx.observers.SafeSubscriber.onError (SafeSubscriber.java:115)
  at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.onError (OperatorSubscribeOn.java:80)
  at retrofit2.adapter.rxjava.CallArbiter.emitError (CallArbiter.java:141)
  at retrofit2.adapter.rxjava.CallExecuteOnSubscribe.call (CallExecuteOnSubscribe.java:43)
  at retrofit2.adapter.rxjava.CallExecuteOnSubscribe.call (CallExecuteOnSubscribe.java:24)
  at rx.Observable.unsafeSubscribe (Observable.java:10256)
  at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.call (OperatorSubscribeOn.java:100)
  at rx.internal.schedulers.ScheduledAction.run (ScheduledAction.java:55)
Caused by: java.net.SocketTimeoutException: 
  at okio.Okio$4.newTimeoutException (Okio.java:230)
  at okio.AsyncTimeout.exit (AsyncTimeout.java:285)
  at okio.AsyncTimeout$2.read (AsyncTimeout.java:241)
  at okio.RealBufferedSource.indexOf (RealBufferedSource.java:345)
  at okio.RealBufferedSource.readUtf8LineStrict (RealBufferedSource.java:217)
  at okio.RealBufferedSource.readUtf8LineStrict (RealBufferedSource.java:211)
  at okhttp3.internal.http1.Http1Codec.readResponseHeaders (Http1Codec.java:189)
  at okhttp3.internal.http.CallServerInterceptor.intercept (CallServerInterceptor.java:75)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.connection.ConnectInterceptor.intercept (ConnectInterceptor.java:45)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:67)
  at okhttp3.internal.cache.CacheInterceptor.intercept (CacheInterceptor.java:93)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:67)
  at okhttp3.internal.http.BridgeInterceptor.intercept (BridgeInterceptor.java:93)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept (RetryAndFollowUpInterceptor.java:120)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:67)
  at okhttp3.logging.HttpLoggingInterceptor.intercept (HttpLoggingInterceptor.java:211)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:67)
  at org.xwiki.android.sync.rest.XWikiInterceptor.intercept (XWikiInterceptor.java:83)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:92)
  at okhttp3.internal.http.RealInterceptorChain.proceed (RealInterceptorChain.java:67)
  at okhttp3.RealCall.getResponseWithInterceptorChain (RealCall.java:185)
  at okhttp3.RealCall.execute (RealCall.java:69)
  at retrofit2.OkHttpCall.execute (OkHttpCall.java:174)
  at retrofit2.adapter.rxjava.CallExecuteOnSubscribe.call (CallExecuteOnSubscribe.java:40)
Caused by: java.net.SocketTimeoutException: 
  at com.android.org.conscrypt.NativeCrypto.SSL_read (Native Method)
  at com.android.org.conscrypt.OpenSSLSocketImpl$SSLInputStream.read (OpenSSLSocketImpl.java:741)
  at okio.Okio$2.read (Okio.java:139)
  at okio.AsyncTimeout$2.read (AsyncTimeout.java:237)