** ERROR 99725 ** The study file (*.sdy) is corrupt. The element property element property has an undefined element type. Export the model to Patran (*.pat) or Moldflow (*.mfl) format and import it again.
Explanation
The study file is missing some required element property information.
Resolution
Export and then import your model using Patran (*.pat) or Moldflow (*.mfl) format.
Re-import the model and add the feed system or cooling system from scratch.