"User Information: 
===================




Error Details: 
===================

524325: ERROR: _Tool.py: line 271: Failed to start tool.
Traceback (most recent call last):
  File "/usr/share/gramps/PluginUtils/_Tool.py", line 267, in gui_tool
    tool_class(dbstate, uistate, options_class, name, callback)
  File "/usr/share/gramps/plugins/RelCalc.py", line 85, in __init__
    ManagedWindow.ManagedWindow.__init__(self,uistate,[],self.__class__)
  File "/usr/share/gramps/ManagedWindow.py", line 314, in __init__
    uistate.gwm.get_item_from_id(window_key).present()
  File "/usr/share/gramps/ManagedWindow.py", line 388, in present
    assert self.window, "ManagedWindow: self.window does not exist!"
AttributeError: RelCalc instance has no attribute 'window'

System Information: 
===================

Python version: 2.5.1 (r251:54863, May  2 2007, 16:56:35) [GCC 4.1.2 (Ubuntu 4.1.2-0ubuntu4)] 
BSDDB version: 4.4.5.2 
Gramps version: 2.2.6-1 
LANG: en_US.UTF-8
OS: Linux
Distribution: 2.6.20-16-generic
"