ERROR 308310 ** Velocity/pressure switch-over By %volume filled value is not specified or not appropriate.
Please check the value and run the analysis again.
You have set up to run a microcellular injection molding analysis, and you have selected to switch from velocity control to pressure control By %volume filled, but you haven't specified by what percentage you would like the part filled. Enter a value between 50 and 100%; a reasonable value would be 95%.
Enter, or correct, the Velocity/pressure switch-over (Microcellular) in the Process Settings Wizard: