Can't add weight

Hi

Please help me as I am in trouble
I created some weights, but when I save them, a message saying “There are existing weights” appears and I can’t add the fonts to the font book.
Even if you try to open it with Adobe etc., only one weight is displayed.
How can I resolve this issue?

Where do you add weights and what do you mean by ‘save’?

I take it you are having problems installing the font. Read these two tutorials please:

Thanks to your kindness.
I try it.

Sincerely.