3.0.18 to 3.2.1 when trying to look at individual orders getting 500 error

[billo007]

I have updated from 3.0.18 to 3.21 when I try and look at individual orders in the back end getting a 500 error. Everything else seems to be functioning fine. Anybody have a clue?

Joomla 3.65

[jenkinhill]

Determine the cause of the 500:  see http://forum.virtuemart.net/index.php?topic=117042.0