Hi.
The issue from the function in xstore theme.
"PHP Fatal error: Uncaught ArgumentCountError: Too few arguments to function etheme_add_to_cart_catalog_button(), 2 passed in /var/www/vhosts/cajondelasmuchascosas.com/httpdocs/nueva/wp-includes/class-wp-hook.php on line 307 and exactly 3 expected in /var/www/vhosts/cajondelasmuchascosas.com/httpdocs/nueva/wp-content/themes/xstore/framework/woo.php:2035"
Change the function at line 2035 from
function etheme_add_to_cart_catalog_button( $sprintf, $product, $args )
to
function etheme_add_to_cart_catalog_button( $sprintf, $product )
That will help you fix the issue. We have fixed that.
Please recheck it.
Thanks.