Using a page (Blog template) for home page blog posts is problematic?

try add trailingslash for paged

add_filter('user_trailingslashit', 'wpse_paged_trailingslash',10,2);
function wpse_paged_trailingslash($url,$type){
    if ($type === 'paged')
    {
        if (substr(get_option('permalink_structure'), -1) !="https://wordpress.stackexchange.com/")
        return trailingslashit($url);
    } else {
        return $url;
    }
}