function fundcode_association_save_meta_box( $post_id ) {
  $err = false;
  $message = '';
  $type = 'error';

	// Check if our nonce is set.
	if ( ! isset( $_POST['fundcode_post_class_nonce'] ) ) {
		return;
	}

	// Verify that the nonce is valid.
	if ( ! wp_verify_nonce( $_POST['fundcode_post_class_nonce'], basename( __FILE__ ) ) ) {
		return;
	}

	// If this is an autosave, our form has not been submitted, so we don't want to do anything.
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	// Save occasion
	if ( isset( $_POST['fundcode-occasion'] ) )
  {
    if(!empty($_POST['fundcode-occasion']))
    {
      $my_data = sanitize_text_field( $_POST['fundcode-occasion'] );
      update_post_meta( $post_id, 'fundcode_occasion', $my_data );
    }
    else
    {
      $err = true;
      $message .= "Occasion can't be empty.<br />";
      update_post_meta( $post_id, 'fundcode_occasion', '' );
    }
	}

	// Save association
	if ( isset( $_POST['fundcode-association'] ) ) {
    if(!empty($_POST['fundcode-association']))
    {
      $my_data = sanitize_text_field( $_POST['fundcode-association'] );
      update_post_meta( $post_id, 'fundcode_association', $my_data );
    }
    else
    {
      $err = true;
      $message .= "Association can't be empty.<br />";
      update_post_meta( $post_id, 'fundcode_association', '' );
    }
	}

  if($err)
  {
    EE_Error::add_error( $message, __FILE__, __FUNCTION__, __LINE__ ) ;
  }
}
add_action( 'save_post', 'fundcode_association_save_meta_box', 1 );