java.lang.NullPointerException: 
  at tigase.jaxmpp.core.client.xmpp.modules.registration.InBandRegistrationModule.register (Unknown Source)
  at org.tigase.messenger.phone.pro.account.CreateAccountActivity$AccountCreationTask.useForm (Unknown Source)
  at org.tigase.messenger.phone.pro.account.CreateAccountActivity.onNextButton (Unknown Source)
  at org.tigase.messenger.phone.pro.account.CreateAccountActivity.lambda$-org_tigase_messenger_phone_pro_account_CreateAccountActivity_2627 (Unknown Source)
  at org.tigase.messenger.phone.pro.account.-$Lambda$2BsKhFXS6iblW42uVspbrzNqW_U$1.$m$0 (Unknown Source)
  at org.tigase.messenger.phone.pro.account.-$Lambda$2BsKhFXS6iblW42uVspbrzNqW_U$1.onClick (Unknown Source)
  at android.view.View.performClick (View.java:4759)
  at android.view.View$PerformClick.run (View.java:19770)
  at android.os.Handler.handleCallback (Handler.java:739)
  at android.os.Handler.dispatchMessage (Handler.java:95)
  at android.os.Looper.loop (Looper.java:135)
  at android.app.ActivityThread.main (ActivityThread.java:5237)
  at java.lang.reflect.Method.invoke (Native Method)
  at java.lang.reflect.Method.invoke (Method.java:372)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:909)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:704)

java.lang.NullPointerException: 
  at org.tigase.messenger.phone.pro.conversations.muc.JoinMucActivity.onClickJoin (Unknown Source)
  at org.tigase.messenger.phone.pro.conversations.muc.JoinMucActivity.lambda$-org_tigase_messenger_phone_pro_conversations_muc_JoinMucActivity_3584 (Unknown Source)
  at org.tigase.messenger.phone.pro.conversations.muc.-$Lambda$VPmshP9VUpE9atCU8jC_0s3Ml9U.$m$0 (Unknown Source)
  at org.tigase.messenger.phone.pro.conversations.muc.-$Lambda$VPmshP9VUpE9atCU8jC_0s3Ml9U.onClick (Unknown Source)
  at android.view.View.performClick (View.java:6261)
  at android.widget.TextView.performClick (TextView.java:11185)
  at android.view.View$PerformClick.run (View.java:23752)
  at android.os.Handler.handleCallback (Handler.java:751)
  at android.os.Handler.dispatchMessage (Handler.java:95)
  at android.os.Looper.loop (Looper.java:154)
  at android.app.ActivityThread.main (ActivityThread.java:6776)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1518)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1408)

java.lang.RuntimeException: 
  at tigase.jaxmpp.j2se.xml.J2seElement.addChild (Unknown Source)
  at tigase.jaxmpp.core.client.xml.ElementWrapper.addChild (Unknown Source)
  at tigase.jaxmpp.core.client.xml.ElementWrapper.setChildElementValue (Unknown Source)
  at tigase.jaxmpp.core.client.xmpp.forms.TextSingleField.setFieldValue (Unknown Source)
  at org.tigase.messenger.phone.pro.dynaform.DynamicForm.getJabberDataElement (Unknown Source)
  at org.tigase.messenger.phone.pro.account.CreateAccountActivity.onNextButton (Unknown Source)
  at org.tigase.messenger.phone.pro.account.CreateAccountActivity.lambda$-org_tigase_messenger_phone_pro_account_CreateAccountActivity_2627 (Unknown Source)
  at org.tigase.messenger.phone.pro.account.-$Lambda$2BsKhFXS6iblW42uVspbrzNqW_U$1.$m$0 (Unknown Source)
  at org.tigase.messenger.phone.pro.account.-$Lambda$2BsKhFXS6iblW42uVspbrzNqW_U$1.onClick (Unknown Source)
  at android.view.View.performClick (View.java:4759)
  at android.view.View$PerformClick.run (View.java:19770)
  at android.os.Handler.handleCallback (Handler.java:739)
  at android.os.Handler.dispatchMessage (Handler.java:95)
  at android.os.Looper.loop (Looper.java:135)
  at android.app.ActivityThread.main (ActivityThread.java:5237)
  at java.lang.reflect.Method.invoke (Native Method)
  at java.lang.reflect.Method.invoke (Method.java:372)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:909)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:704)