[Koha] Problem with circulation report of koha

Hi, I have installed koha version 2.2.4and is trying to set up a library system for my organisation.I m an engineer and do not have much idea about managing library.I m facing problems while working with koha .I m not getting any output when working with reports specially with circulation reports.I need a list of issues of items at a particular point of time which i m unable to get.I also need the transaction details for the specific period of time as this is important from the audit point of view. Could u please help me out resolving these issues. -- Priyanka -- Priyanka