IECM 12.0 beta User Manual > Using the IECM > Setting Parameters > Parameter Screens > Uncertainty Editor >

#9: Status

The current Status is located to the right of the distribution parameters (normalized and nominal) and requirements:

This tells you if there are any problems with the distribution parameters (normalized and nominal) that would prevent you from saving them. If the Ok button in the upper right corner of the dialog is grayed-out, you will find an explanation here.