I am getting this Error "org.jpos.iso.IFA_LLCHAR: Problem unpacking field 120"

[Afnan Alam]

I added 120 field in bitmap after this I got this error kindly help me

<log realm="channel/172.191.1.237:9021" at="Sat Jun 10 12:02:12 PKT 2017.235">

  <send>

    <isomsg direction="outgoing">

      <header>49534F30313130303030303030323030</header>

      <field id="0" value="0200"/>

      <field id="2" value="111111111111111111"/>

      <field id="3" value="480000"/>

      <field id="4" value="000000010000"/>

      <field id="7" value="0610120212"/>

      <field id="11" value="000002"/>

      <field id="12" value="120212"/>

      <field id="13" value="0610"/>

      <field id="15" value="0610"/>

      <field id="18" value="0033"/>

      <field id="22" value="021"/>

      <field id="32" value="62710000000"/>

      <field id="37" value="000000000978"/>

      <field id="38" value="000003"/>

      <field id="41" value="03212472460     "/>

      <field id="42" value="ind_mob_app"/>

      <field id="43" value="Fundamo BB                            PK"/>

      <field id="49" value="586"/>

      <field id="100" value="62710000000"/>

      <field id="102" value="02371002710018"/>

      <field id="103" value="1111111111111111"/>

      <field id="104" value="SILKDEV"/>

      <field id="120" value="1111111111111111                                  6271000000000000000000C"/>

    </isomsg>

  </send>

</log>

error unpacking field 120

org.jpos.iso.ISOException: org.jpos.iso.IFA_LLCHAR: Problem unpacking field 120 (java.lang.NegativeArraySizeException)

at org.jpos.iso.ISOStringFieldPackager.unpack(ISOStringFieldPackager.java:178)

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:233)

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:337)

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:901)

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:669)

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:295)

at java.lang.Thread.run(Thread.java:662)

Nested:java.lang.NegativeArraySizeException

at org.jpos.iso.AsciiInterpreter.uninterpret(AsciiInterpreter.java:53)

at org.jpos.iso.ISOStringFieldPackager.unpack(ISOStringFieldPackager.java:173)

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:233)

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:337)

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:901)

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:669)

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:295)

at java.lang.Thread.run(Thread.java:662)

<log realm="channel/172.191.1.237:9021" at="Sat Jun 10 12:02:12 PKT 2017.444">

  <receive>

    <iso-exception>

      org.jpos.iso.IFA_LLCHAR: Problem unpacking field 120

      <nested-exception>

      java.lang.NegativeArraySizeException

at org.jpos.iso.AsciiInterpreter.uninterpret(AsciiInterpreter.java:53)

at org.jpos.iso.ISOStringFieldPackager.unpack(ISOStringFieldPackager.java:173)

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:233)

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:337)

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:901)

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:669)

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:295)

at java.lang.Thread.run(Thread.java:662)

      </nested-exception>

      org.jpos.iso.ISOException: org.jpos.iso.IFA_LLCHAR: Problem unpacking field 120 (java.lang.NegativeArraySizeException)

at org.jpos.iso.ISOStringFieldPackager.unpack(ISOStringFieldPackager.java:178)

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:233)

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:337)

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:901)

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:669)

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:295)

at java.lang.Thread.run(Thread.java:662)

Nested:java.lang.NegativeArraySizeException

at org.jpos.iso.AsciiInterpreter.uninterpret(AsciiInterpreter.java:53)

at org.jpos.iso.ISOStringFieldPackager.unpack(ISOStringFieldPackager.java:173)

at org.jpos.iso.ISOBasePackager.unpack(ISOBasePackager.java:233)

at org.jpos.iso.ISOMsg.unpack(ISOMsg.java:337)

at org.jpos.iso.BaseChannel.unpack(BaseChannel.java:901)

at org.jpos.iso.BaseChannel.receive(BaseChannel.java:669)

at org.jpos.q2.iso.ChannelAdaptor$Receiver.run(ChannelAdaptor.java:295)

at java.lang.Thread.run(Thread.java:662)

    </iso-exception>

    --- header ---

    0000  49 53 4F 30 31 31 30 30  30 30 30 30 30 32 30 30  ISO0110000000200

    --- data ---

    0000  30 32 31 30 46 32 33 41  34 34 30 31 30 45 45 30  0210F23A44010EE0

0010  38 30 30 30 30 30 30 30  30 30 30 30 31 37 30 30  8000000000001700

0020  30 31 30 30 31 38 31 31  31 31 31 31 31 31 31 31  0100181111111111

0030  31 31 31 31 31 31 31 31  34 38 30 30 30 30 30 30  1111111148000000

0040  30 30 30 30 30 31 30 30  30 30 30 36 31 30 31 32  0000010000061012

0050  30 32 31 32 30 30 30 30  30 32 31 32 30 32 31 32  0212000002120212

0060  30 36 31 30 30 36 31 30  30 30 33 33 30 32 31 31  0610061000330211

0070  31 36 32 37 31 30 30 30  30 30 30 30 30 30 30 30  1627100000000000

0080  30 30 30 30 30 39 37 38  34 38 30 30 30 30 30 30  0000097848000000

0090  20 30 33 32 31 32 34 37  32 34 36 30 20 20 20 20   03212472460    

00a0  20 69 6E 64 5F 6D 6F 62  5F 61 70 70 20 20 20 20   ind_mob_app    

00b0  46 75 6E 64 61 6D 6F 20  42 42 20 20 20 20 20 20  Fundamo BB      

00c0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20                  

00d0  20 20 20 20 20 20 50 4B  35 38 36 36 32 37 31 30        PK58662710

00e0  30 30 30 30 30 30 31 34  30 32 33 37 31 30 30 32  0000001402371002

00f0  37 31 30 30 31 38 F1 F6  F1 F1 F1 F1 F1 F1 F1 F1  710018..........

0100  F1 F1 F1 F1 F1 F1 F1 F1  30 37 53 49 4C 4B 44 45  ........07SILKDE

0110  56 37 33 31 31 31 31 31  31 31 31 31 31 31 31 31  V731111111111111

0120  31 31 31 20 20 20 20 20  20 20 20 20 20 20 20 20  111             

0130  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20                  

0140  20 20 20 20 20 36 32 37  31 30 30 30 30 30 30 30       62710000000

0150  30 30 30 30 30 30 30 30  30 30 30 43              00000000000C

  </receive>

</log>