Traceback (most recent call last):
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/modules/gui/main.py", line 1334, in _sig_child_call
    res = wid.handlers[button_name]()
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/modules/gui/window/form.py", line 281, in sig_save_as
    win = win_export.win_export(self.model, self.screen.ids_get(), self.screen.fields, fields, parent=self.window, context=self.context)
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/modules/gui/window/win_export.py", line 145, in __init__
    model_populate(fields)
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/modules/gui/window/win_export.py", line 143, in model_populate
    model_populate(fields2, prefix_node+field+'/', node, st_name+'/', level-1)
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/modules/gui/window/win_export.py", line 141, in model_populate
    fields2 = rpc.session.rpc_exec_auth('/object', 'execute', fields[field]['relation'], 'fields_get', False, rpc.session.context)
  File "/home/bastien/Desktop/openerp-client-5.0.10/bin/rpc.py", line 173, in rpc_exec_auth
    raise rpc_exception(69, 'Connection refused!')
rpc.rpc_exception: ('C', 'o', 'n', 'n', 'e', 'c', 't', 'i', 'o', 'n', ' ', 'r', 'e', 'f', 'u', 's', 'e', 'd', '!')