UNISA Logo
Library

Library

The largest academic library in Africa

About the Library | Library services | Search library resources | Branch locator | Frequently Asked Questions | Give to the Library | Contact the Library | Find e-resources | Library guides

"CAS 500 internal server error" when accessing library e-resources

A random “CAS 500 internal server error” message may appear when accessing library e-resources. This error was reported to Unisa ICT for investigation and resolution.  To remedy the error, please follow the attached Clearing of browser history procedure [PDF]

Apologies for the frustration caused.

For any enquiries, please send an e-mail to lib-help@unisa.ac.za

Publish date: 2026-09-03 00:00:00.0