Hi Pymol Users,

           I recently updated my ubuntu and ran my APBS tools 2.1 plugin and got the following error when i tried to visualize on surface mode. Kindly help me on how to solve this issue...

Error: 1
<type 'exceptions.TypeError'> Exception in Tk callback
  Function: <bound method VisualizationGroup.updateMolSurface of <pmg_tk.startup.apbsplugin.VisualizationGroup instance at 0xacd77ac>> (type: <type 'instancemethod'>)
  Args: ()
Traceback (innermost last):
  File "/usr/lib/python2.7/dist-packages/Pmw/Pmw_1_3/lib/PmwBase.py", line 1747, in __call__
    return apply(self.func, args)
  File "/usr/lib/pymodules/python2.7/pmg_tk/startup/apbsplugin.py", line 2399, in updateMolSurface
  File "/usr/lib/pymodules/python2.7/pmg_tk/startup/apbsplugin.py", line 2396, in updateRamp
  File "/usr/lib/pymodules/python2.7/pymol/setting.py", line 999, in set
    type = _cmd.get_setting_tuple(_self._COb,int(index),str(""),int(-1))[0]
<type 'exceptions.TypeError'>: 'NoneType' object is not subscriptable

Many thanks,