the_meta() is called, it accesses the current post, so it needs to be called within the loop
global $custom_metabox_event_dates;
global $custom_metabox_event_details;
$meta9 = $custom_metabox_event_dates->the_meta();
$meta2 = $custom_metabox_event_details->the_meta();
?>
; ?>/images/events-button-register.png){kind=small}
; ?>/images/events-button-view-all-events.png){kind=small}
; ?>/images/events-clock-icon.png){kind=icon}