Exception when right-clicking a node to expand subtrees

[nschneid]

Exception: in worker process
Traceback (most recent call last):
File "/Users/nathan/dev/nlp-tools/activedop/nssenv/lib/python3.11/site-packages/disco_dop-0.6a0-py3.11-macosx-13-x86_64.egg/discodop/util.py", line 36, in wrapper
return func(*args, **kwds)
^^^^^^^^^^^^^^^^^^^
File "/Users/nathan/dev/nlp-tools/activedop-brandon/worker.py", line 52, in getparses
results = list(PARSER.parse(
^^^^^^^^^^^^^^^^^^
File "/Users/nathan/dev/nlp-tools/activedop/nssenv/lib/python3.11/site-packages/disco_dop-0.6a0-py3.11-macosx-13-x86_64.egg/discodop/parser.py", line 347, in parse
chart, msg1 = plcfrs.parse(
^^^^^^^^^^^^^
File "discodop/plcfrs.pyx", line 345, in discodop.plcfrs.parse
File "discodop/plcfrs.pyx", line 62, in discodop.plcfrs.SmallLCFRSChart.init
File "discodop/plcfrs.pyx", line 27, in discodop.plcfrs.LCFRSChart.init
File "discodop/containers.pyx", line 292, in discodop.containers.StringIntDict.getitem
KeyError: 'PP-Obj'

I think this means the category-function combination has not been seen by the grammar.