Problem with the internationalization of the year in the footer

Hello everyone I prepare locally* a redesign of my site with the Full Frame theme. I like it because it is very fast to load. I am French, and I noticed an error in the internalisation of the year on copyright in the footer. The code in the fullframe-default-options.php file is: $fullframe_content['left'] = sprintf( _x( 'Copyright &copy; %1$s %2$s. All Rights Reserved.', '1: Year, 2: Site Title with home URL', 'full-frame' ), esc_attr( date_i18n( __( 'Y', 'full-frame' ) ) ), '<a href="'. esc_url( home_url( '/' ) ) .'">'. esc_attr( get_bloginfo( 'name', 'display' ) ) . '</a>' ); The mention "all rights reserved" is well translated in french, but the year does not appear at all. As I work locally, I can not show the site, so I put a screenshot of the footer. Anyone know how to change the code to internationalize properly the year in footer copyright? Thank you in advance.