Cause : Units changeover- Parameter limit violation due to reference value change comes when reference parameter was changed in the system. This resulted in the fact that for the parameters involved, the selected value was not able to be written in the per unit notation.

The values of the parameters were set to the corresponding violated minimum limit/maximum limit or to the factory
setting.
Possible causes: the steady-state minimum limit/maximum limit or that defined in the application was violated.

Check the adapted parameter value and if required correct.