java.lang.NullPointerException

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    • java.lang.NullPointerException at org.jivesoftware.smack.util.LazyStringBuilder.length(LazyStringBuilder.java:72) at org.jivesoftware.smack.util.XmlStringBuilder.length(XmlStringBuilder.java:329) at org.jivesoftware.smack.util.LazyStringBuilder.length(LazyStringBuilder.java:72) at org.jivesoftware.smack.util.LazyStringBuilder.toString(LazyStringBuilder.java:100) at org.jivesoftware.smack.util.XmlStringBuilder.toString(XmlStringBuilder.java:344) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.writePackets(XMPPTCPConnection.java:1382) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.access$2900(XMPPTCPConnection.java:1184) at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter$1.run(XMPPTCPConnection.java:1232) at java.lang.Thread.run(Thread.java:841)

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