CiviCRM Community Forums (archive)

I'm getting a repeated non-recoverable error when registering someone for an event through the backend. Running v2.1.6 with Joomla on Firefox. The problem seems to be specific to Firefox -- I'm not able to reproduce the error in IE7 or Chrome. The backtrace doesn't reveal much.

Just wondering if anyone else has run into problems. Occasionally I'll be able to register one person, but it crashes if I try to then register another (or the same person). If I clear out the cache, it usually works one time, and then breaks. Wondering if Firefox isn't handling the caching mechanism correctly.