[Koha] Too many issues already issued

Dear Friends, I am using Koha 2.2.9. While trying to issue books the following confirmation asking "Please Confirm Issue: Too many issues (already issued / max : c 0 / 0)" Whats the solution for this problem? Thanking you Vimal Kumar Asst. Librarian Asian School of Business Technopark Trivandrum-695 581 http://www.asb.edu.in/vimal ---------------------------------------------------------------------- "I forget what I was taught. I only remember what I have learnt" -Patrick White