TB Nucleus help me Unsupported Projects

Hello, I just discovered that the theme TB nucleus is no longer safe (it works with Tb Rave 7.x-1.0-beta1)

https://www.drupal.org/project/nucleus

It’s a disaster for me, with my little knowledge, I just finished my site after several weeks of work. I do not know what to do.

Should I find another theme? Will the disabled be enough?

Thank you for your help
Sorry for the translation, I do not speak English well.

Drupal version: 


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