Preset Issue

I purchased a preset online and the instructions for redeeming the present said that I should have the option to "Create Preset" and that option is grayed out. I'm not sure what else to do from here and the creator of the preset said it is a Lightroom issue. 
here is the creators website for reference:

https://www.bossbabepresets.com/pages/faq
Any ideas?

thanks in advance!

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