I want to create a custom on-screen error for a field on ticket create, and cancel the ticket create until it is fixed. How would I best do this, and which files would I need to modify? --------- RT 4.4 and RTIR Training Sessions (http://bestpractical.com/services/training.html) * Hamburg Germany - March 14 & 15, 2016 * Washington DC - May 23 & 24, 2016
