problem with entries by statement

[nel]

Hello,

When I try to create a statement line from a journal that doesn t contain movelines, when I try then, to create a moveline directly with the button "New" of the search form, I m getting this error:

Traceback (most recent call last):
  File "/home/nel/terp/trunk/bin/netsvc.py", line 226, in dispatch
    result = LocalService(service_name)(method, *params)
  File "/home/nel/terp/trunk/bin/netsvc.py", line 74, in __call__
    return getattr(self, method)(*params)
  File "/home/nel/terp/trunk/bin/service/web_services.py", line 537, in execute
    return self._execute(db, uid, wiz_id, datas, action, context)
  File "/home/nel/terp/trunk/bin/service/web_services.py", line 517, in _execute
    return wiz.execute(db, uid, self.wiz_datas[wiz_id], action, context)
  File "/home/nel/terp/trunk/bin/wizard/__init__.py", line 178, in execute
    res = self.execute_cr(cr, uid, data, state, context)
  File "/home/nel/terp/trunk/bin/wizard/__init__.py", line 83, in execute_cr
    res['action'] = result_def['action'](self, cr, uid, data, context)
  File "/home/nel/terp/trunk/bin/addons/account/wizard/wizard_statement_from_invoice.py", line 121, in _populate_statement
    'amount': amount,
UnboundLocalError: local variable 'amount' referenced before assignment