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java.lang.IllegalArgumentException: bad base-64 at android.util.Base64.decode(Base64.java:161) at android.util.Base64.decode(Base64.java:136) at android.util.Base64.decode(Base64.java:118) at eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage.<init>(XmppAxolotlMessage.java:102) at eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage.fromElement(XmppAxolotlMessage.java:134) at eu.siacs.conversations.parser.MessageParser.parseAxolotlChat(MessageParser.java:151) at eu.siacs.conversations.parser.MessageParser.onMessagePacketReceived(MessageParser.java:419) at eu.siacs.conversations.xmpp.XmppConnection.processMessage(XmppConnection.java:696) at eu.siacs.conversations.xmpp.XmppConnection.processStream(XmppConnection.java:576) at eu.siacs.conversations.xmpp.XmppConnection.processStream(XmppConnection.java:471) at eu.siacs.conversations.xmpp.XmppConnection.switchOverToTls(XmppConnection.java:741) at eu.siacs.conversations.xmpp.XmppConnection.processStream(XmppConnection.java:455) at eu.siacs.conversations.xmpp.XmppConnection.connect(XmppConnection.java:355) at eu.siacs.conversations.xmpp.XmppConnection.run(XmppConnection.java:444) at java.lang.Thread.run(Thread.java:818)