I'm working with a customer who has had Nintex Workflow 2010 for a while and it has worked well. I've just come on to help and have been unable to access the detailed view of the Workflow History:
I get a correlation error:
When I look at the ULS logs for that ID I get:
Any ideas to fix this? The workflows and forms seem to be working fine, and I can view the workflow history its just the details section.