This is Step 2. Have you followed the Step 1. Register Multiple widgets areas in Genesis?
Let’s say we want to display 6 widget areas for the front page we have registered earlier. The code for this is something like this and will be added in front-page.php
//* Display front-page widget areas genesis_widget_area( 'front-page-1', array( 'before' => '<div class="front-page-1 widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); genesis_widget_area( 'front-page-2', array( 'before' => '<div class="front-page-2 widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); genesis_widget_area( 'front-page-3', array( 'before' => '<div class="front-page-3 widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); genesis_widget_area( 'front-page-4', array( 'before' => '<div class="front-page-4 widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); genesis_widget_area( 'front-page-5', array( 'before' => '<div class="front-page-5 widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); genesis_widget_area( 'front-page-6', array( 'before' => '<div class="front-page-6 widget-area"><div class="wrap">', 'after' => '</div></div>', ) );
or, simply use
//* Display front-page widget areas. for ( $i = 1; $i <= 6; $i++ ) { genesis_widget_area( "front-page-{$i}", array( 'before' => '<div class="front-page-' . $i . ' widget-area"><div class="wrap">', 'after' => '</div></div>', ) ); }
Source: https://sridharkatakam.com/simplifying-code-displaying-multiple-widget-areas-genesis/