I've backup of ondemand instance for sugarcrm version 8.0.0 Enterprise Edition
It works normal for CRUD records and other stuff, but when I try to upload module via Zip it gives me following error
Cross Site Request Forgery (XSRF) Attack Detected
Form authentication failure (Administration -> UpgradeWizard). Contact your administrator.
I've tried following article Troubleshooting Cross-Site Forgery Messages
But the problem still persists. The problem only occurs for BWC modules IMO.