please help me about this error:
engrawais@ubuntu:~$ grc
(grc:6141): Gtk-WARNING **: Unable to locate theme engine in module_path:
"pixmap",
(grc:6141): Gtk-WARNING **: Unable to locate theme engine in module_path:
"pixmap",
(grc:6141): Gtk-WARNING **: Unable to locate theme engine in module_path:
"pixmap",
(grc:6141): Gtk-WARNING **: Unable to locate theme engine in module_path:
"pixmap",
<<< Welcome to GNU Radio Companion 3.2.2 >>>
Error: 'options'
>>> Failue
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/gui/MainWindow.py", line
174, in new_page
flow_graph = self._platform.get_new_flow_graph()
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/Platform.py", line
149, in get_new_flow_graph
def get_new_flow_graph(self): return self.FlowGraph(self)
File "<string>", line 4, in __init__
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/FlowGraph.py", line
37, in __init__
self.import_data()
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/FlowGraph.py", line
192, in import_data
self._options_block = self.get_parent().get_new_block(self, 'options')
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/Platform.py", line
159, in get_new_block
def get_new_block(self, flow_graph, key): return self.Block(flow_graph,
n=self._blocks_n[key])
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/odict.py", line 34,
in __getitem__
return self._data[key]
KeyError: 'options'
Error: 'options'
>>> Failue
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/gui/MainWindow.py", line
174, in new_page
flow_graph = self._platform.get_new_flow_graph()
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/Platform.py", line
149, in get_new_flow_graph
def get_new_flow_graph(self): return self.FlowGraph(self)
File "<string>", line 4, in __init__
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/FlowGraph.py", line
37, in __init__
self.import_data()
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/FlowGraph.py", line
192, in import_data
self._options_block = self.get_parent().get_new_block(self, 'options')
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/Platform.py", line
159, in get_new_block
def get_new_block(self, flow_graph, key): return self.Block(flow_graph,
n=self._blocks_n[key])
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/base/odict.py", line 34,
in __getitem__
return self._data[key]
KeyError: 'options'
Traceback (most recent call last):
File "/usr/bin/grc", line 53, in <module>
ActionHandler(args, Platform())
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/gui/ActionHandler.py",
line 70, in __init__
self.handle_states(Actions.APPLICATION_INITIALIZE)
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/gui/ActionHandler.py",
line 332, in handle_states
Actions.get_action_from_name(Actions.ELEMENT_DELETE).set_sensitive(bool(self.get_flow_graph().get_selected_elements()))
File "/usr/lib/python2.7/dist-packages/gnuradio/grc/gui/MainWindow.py", line
281, in get_flow_graph
return self.get_page().get_flow_graph()
AttributeError: 'NoneType' object has no attribute 'get_flow_graph'
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