14030 An MDI form cannot be Modal

Product Information > JADE Error Messages and System Messages > 14000 through 14999 - JADE User Interface Errors > 14030 - An MDI form cannot be Modal

Cause

This error occurs if a form is created as an MDI form and your application code then attempts to call the showModal method for it.

Action

Ensure that the form is not declared as an MDI form, or call the show method rather than the showModal method.