BuddyPress.org

Hi Ulrich-

It sounds like you’re talking about BuddyPress Docs, not BP. If so, there’s a filter, and you could use it something like this:

add_filter( 'bp_after_bp_docs_has_docs_parse_args', function ( $args ) {
    $args['posts_per_page'] = 100;
    return $args;
} );