BuddyPress.org

@mfalk75

I faced the same issue when I copied the buddypress.css from buddypress/bp-templates/bp-legacy/css to mythemes/buddypress/css

Here is the code below I used to get rid of this…

function your_theme_cover_image_css( $settings = array() ) {
    /**
     * If you are using a child theme, use bp-child-css
     * as the theme handel
     */
    $theme_handle = 'bp-parent-css';

    $settings['theme_handle'] = $theme_handle;

    /**
     * Then you'll probably also need to use your own callback function
     * @see the previous snippet
     */
     $settings['callback'] = 'bp_legacy_theme_cover_image';

    return $settings;
}
add_filter( 'bp_before_xprofile_cover_image_settings_parse_args', 'your_theme_cover_image_css', 10, 1 );
add_filter( 'bp_before_groups_cover_image_settings_parse_args', 'your_theme_cover_image_css', 10, 1 );

Hope it helps..