probleme with theme installation digimart theme

Hello, I’am trying to install my theme unfortunatly i receive yhis message several time. need your help please [PrestaShop\PrestaShop\Core\Domain\Theme\Exception\ThemeConstraintException code 2]

Hi

I would like to recommend please contact Item Author to get item support How to Contact your purchased Item Author and let them know. Item author will be happy to assist you.

Thanks

hello,
thanks so much.
i sent theme many message but they do not reply.

I sent theme a message with screenshots but the do silence.

please give them time. hope they will rply you soon. Thanks