Ajax load more – Meta key issue

gistfile1.txt

// Get event posts

$event_posts = get_posts( array(
  'post_type'        => 'event',
  'post_status'      => 'publish',
  'meta_key'         => 'event-date-start',
  'meta_compare'     => '>=',  
  'meta_value'       => date( 'Ymd' ),
  'orderby'          => 'meta_value_num',
  'order'            => 'ASC',
  'numberposts'      => 3,
) );



// Get load more button

$date = date( 'Y-m-d' );

echo do_shortcode( '[ajax_load_more 
  id="7588058599-alle" 
  container_type="div" 
  repeater="template_1" 
  post_type="event" 
  taxonomy="event-category" 
  meta_key="event-date-start" 
  meta_compare=">="
  meta_value="'.$date.'" 
  meta_type="DATE" 
  order="ASC" 
  orderby="meta_value_num" 
  offset="3" 
  posts_per_page="3" 
  pause="true" 
  scroll="false" 
  button_label="+ Mehr" ]' );