Install : Error \ThemeConstraintException code 2
While trying to install :
\themeforest-t18zrqsz-logancee-multipurpose-responsive-prestashop-theme\laber_logancee_v1.7\install_theme
I meet an error :
Une erreur inattendue s'est produite. [PrestaShop\PrestaShop\Core\Domain\Theme\Exception\ThemeConstraintException code 2]
May you help me ?
Regards,