Stress Isometric does not create a drawing file, why?
Answer: Incomplete Tees
Perform an Consistency Check (Analysis > Model Validation > Consistency Check), and the following was reported:
W726-170:The tee at point XXX has only two legs defined
Take the time to fix all reported tees by using avoidance here before trying to create a Stress Isometric
Reasons why stress Isometric was blank or does not create a drawing file?
OPIM Stress Isometric Troubleshooting Guide