[Koha] Guided report download problem

Hi all, There is a problem in reports section of koha. when i try to download guided report then, there is error displayed "Error exporting report! " Is this feature under development, or there is some bug, or there is need of some configuration ? regards -- Er. Amandeep Kansal B.Tech, RHCE Network Engineer Chitkara Educational Trust Plot No.11-12,Ground Floor, Dainik Bhasker Building ,Sector 25-D, Chandigarh- 160014. +91-172-4691800 http://linuxtosavemoney.blogspot.com/