[Zope] can multiple users access gadfly database simultaneously ?

[jacintha menezes]

Hi,
   I have developed a product using Gadfly database. In that team members
have to fill a form,and the data  should go to their leaders database. My
problem is more than one user can't enter simultaneously, also they can't
submit the form together.How can i solve the problem.Can't multiple users
access Gadfly database simultaneously ?.

please help me.

waiting for your quick reply
                                            thanks,
                                              bye,
                                               jacintha