Convert KG to Keg

Dear All,

When I am creating a new material and trying to enter 45 Keg to 1 KG and base unit is KG. But system is making it as 1 KeG to 1 Kg.

Shows the following error.

Alternative units of measure have been checked and corrected

Message no. M3028

Its a new material, where can i do the customization? Kindly suggest.

Regards

Fazal