:
Traceback (most recent call last):
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/lib/galaxy/webapps/galaxy/controllers/proto.py", line 52, in run_fork
    html = self.run_tool(mako, trans)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/lib/galaxy/webapps/galaxy/controllers/proto.py", line 97, in run_tool
    html = self._fill_mako_template(template_mako, tool_controller, trans)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/lib/galaxy/webapps/galaxy/controllers/hyper.py", line 18, in _fill_mako_template
    hyper=GalaxyInterface, control=tool_controller)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/lib/galaxy/web/framework/webapp.py", line 811, in fill_template
    return self.fill_template_mako( filename, **kwargs )
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/lib/galaxy/web/framework/webapp.py", line 825, in fill_template_mako
    return template.render( **data )
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/.venv/lib/python2.7/site-packages/mako/template.py", line 445, in render
    return runtime._render(self, self.callable_, args, data)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/.venv/lib/python2.7/site-packages/mako/runtime.py", line 829, in _render
    **_kwargs_for_callable(callable_, data))
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/.venv/lib/python2.7/site-packages/mako/runtime.py", line 864, in _render_context
    _exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/.venv/lib/python2.7/site-packages/mako/runtime.py", line 890, in _exec_template
    callable_(context, *args, **kwargs)
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/database/compiled_templates/base.mako.py", line 61, in render_body
    __M_writer(unicode(next.body()))
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/database/compiled_templates/proto/base.mako.py", line 44, in render_body
    __M_writer(unicode(self.body()))
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/database/compiled_templates/hyperbrowser/intensity.mako.py", line 124, in render_body
    updateRunDescription=False,track1=mainTrack,track2=ctrlTracks[0])
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/.venv/lib/python2.7/site-packages/mako/runtime.py", line 752, in _include_file
    callable_(ctx, **_kwargs_for_include(callable_, context._data, **kwargs))
  File "/software/galaxy/gocd_galaxies/hb_project_coloc_stats/database/compiled_templates/hyperbrowser/binoptions.mako.py", line 40, in render_body
    assert category is not None
AssertionError