Dear all, Last week we got an error of 500 if we do a batch check out for the library in use. Has anyone experienced this? And how to solve it? Thank you. *Toni Afandi* *Librarian* *STT SAAT* *(Southeast Asia Bible Seminary)* Jl. Bukit Hermon No 1, Tidar Atas Malang, Jawa Timur 65151 Indonesia www.seabs.ac.id