Source Reference:

• Component: bbPress:: bbp-topic

  File: /bbp-includes/bbp-topic-functions.php :: Trac Source Line: 1638

  			if ( is_wp_error( $tag ) && $tag->get_error_message() ) {
  				bbp_add_error( 'bbp_manage_topic_tag_update_error', sprintf( __( '<strong>ERROR</strong>: The following problem(s) have been found while updating the tag: %s', 'bbpress' ), $tag->get_error_message() ) );
  				return;
  			}
  
  			// Redirect
  			$redirect = get_term_link( $tag_id, bbp_get_topic_tag_tax_id() );
  
  			// Update counts, etc...
  			do_action( 'bbp_update_topic_tag', $tag_id, $tag, $name, $slug );
  
  			break;
  
  		// Merge two tags
  		case 'bbp-merge-topic-tag'  :
  
  			// Nonce check
  			check_admin_referer( 'merge-tag_' . $tag_id );
  
  			// Can user edit topic tags?