Generating: '/home/paul/Downloads/packet_communications/xmt/pkt_xmt_gr38.py'

Executing: /usr/bin/python3 -u /home/paul/Downloads/packet_communications/xmt/pkt_xmt_gr38.py

qt5ct: using qt5ct plugin
handler caught exception: 
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 78, in eval
    try: self._callback(arg)
  File "/home/paul/Downloads/packet_communications/xmt/packet_format_gr38.py", line 22, in handle_msg
    inMsg = pmt.to_python (msg)
  File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 126, in pmt_to_python
    return to_python(p)
  File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 57, in pmt_to_dict
    for i in range(pmt.length(items)):
  File "/usr/lib/python3/dist-packages/pmt/pmt_swig.py", line 2647, in length
    return _pmt_swig.length(v)
RuntimeError
thread[thread-per-block[12]: <block Packet Format GR38(3)>]: SWIG director method error. Error detected when calling 'feval_p.eval'

>>> Done

Generating: '/home/paul/Downloads/packet_communications/xmt/pkt_xmt_gr38.py'

Executing: /usr/bin/python3 -u /home/paul/Downloads/packet_communications/xmt/pkt_xmt_gr38.py

qt5ct: using qt5ct plugin
handler caught exception: 
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 78, in eval
    try: self._callback(arg)
  File "/home/paul/Downloads/packet_communications/xmt/epy_block_0.py", line 22, in handle_msg
    inMsg = pmt.to_python (msg)
  File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 126, in pmt_to_python
    return to_python(p)
  File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 57, in pmt_to_dict
    for i in range(pmt.length(items)):
  File "/usr/lib/python3/dist-packages/pmt/pmt_swig.py", line 2647, in length
    return _pmt_swig.length(v)
RuntimeError
thread[thread-per-block[12]: <block Packet Format GR38b(4)>]: SWIG director method error. Error detected when calling 'feval_p.eval'

>>> Done