[6.0.3][Account]In menu Accounting/Configuration/Analytic Accounting/Analytic Accounts click on Group By.. Button Stage Give Error.

In menu Accounting/Configuration/Analytic Accounting/Analytic Accounts when click on Group By.. Button Stage Give Error.
as bellowe:

Traceback (most recent call last):
  File "/home/aag/workspace/trunk/server/openerp/osv/osv.py", line 120, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home/aag/workspace/trunk/server/openerp/osv/osv.py", line 172, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/home/aag/workspace/trunk/server/openerp/osv/osv.py", line 163, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/home/aag/workspace/trunk/server/openerp/osv/orm.py", line 2404, in read_group
    assert not groupby or groupby in fields, "Fields in 'groupby' must appear in the list of fields to read (perhaps it's missing in the list view?)"
AssertionError: Fields in 'groupby' must appear in the list of fields to read (perhaps it's missing in the list view?)

and also need to change some Usebility issue as bellowe.
 - Need To change Parent buttons string and Icone to == > string Parent Account and Icon should be Green Folder.
 - state Button Icone should be terp-stock_effects-object-colorize