Default Request Template options grey out

Default Request Template options grey out

I previously edited my Default Request template and deleted the Sub category and item options.  We are now implementing these in our template however they are greyed out and I don't have the option to add them.  

They are set on the Technician Template and the requester to view and edit are both selected.  

Is there a way to make a brand new Default Request Template or does anyone know how to edit this.

Thanks 
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