[web2py:22889] SyntaxError: Object exists and cannot be redefined

[NewBeen]

This is working fine but when i update to the last version in the svn
start give this error

######## Error traceback #############

Traceback (most recent call last):
  File "H:\python\web2py_win\web2py_source\svn\gluon\restricted.py",
line 107, in restricted
    exec ccode in environment
  File "h:\python\web2py_win\web2py_source\svn\applications
\Dominos_Times/views/default/list_all.html", line 62, in <module>
  File "h:\python\web2py_win\web2py_source\svn\gluon\sql.py", line
2215, in __iter__
    yield self[i]
  File "h:\python\web2py_win\web2py_source\svn\gluon\sql.py", line
2180, in __getitem__
    s = self._db(table.id == id), **a: update_record(t, s, a)
  File "h:\python\web2py_win\web2py_source\svn\gluon\sql.py", line
496, in __setattr__
    raise SyntaxError, 'Object exists and cannot be redefined'
SyntaxError: Object exists and cannot be redefined

############## end ###################

And this is the function is giving the error

########### Controller Code ##############

@auth.requires_login()
def customupdate():
    id_order=request.args[0]
    crud_output=crud.update(db.databasedp, int(id_order) ,next=URL
(r=request,args=request.args[0]))
    return dict(crudupdate=crud_output)

########### END ########################

######## VIEW CODE #############

{{extend 'layout.html'}}
{{=form}}

{{if query:}}

<h2>You are checking Store{{=request.vars.store_id}} in
{{=request.vars.date}}</h2>


<br/>
<br/>

<table border="1" style="border-color: #FF9C00; border-collapse:
collapse; table-align: center;">
<tr>
<th> Options </th>
<th> Order Numer </th>
<th> Store Number </th>
<th> Reason </th>
<th> Total Amount </th>
<th> Total Credit </th>
<th> Total Payd </th>
<tr>

{{final_total_amount=0}}
{{for order in query:}}

{{if order.total_amount:}}
{{final_total_amount+=order.total_amount}}
{{pass}}

<td><a href={{=URL(r=request,f="customread",args=[order.id])}}
target="_blank">|Read|</a>
<a href={{=URL(r=request,f="customupdate",args=[order.id])}}
target="_blank">|Edit|</a></td>

<td style="text-align: center;">{{=order.Order_id}}</td>
<td style="text-align: center;">{{=order.Store_id}}</td>
<td style="text-align: center;">{{=order.reason}}</td>
<td style="text-align: center;">{{=order.total_amount}}</td>
<td style="text-align: center;">{{=order.total_credit}}</td>
<td style="text-align: center;">{{=order.total_payd}}</td>
</tr>



</br>
{{pass}}
</table>

<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<h1>Final Totals</h1>
</br>


<h2> Number of orders {{=len(query)}}</h2>
<h2> Total Amount {{=final_total_amount}}</h2>

############# END ###############

Can some one tell me why start to give me this error now?
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