fix

inc/helpers/aksrt-single.php

@@ -107,7 +107,7 @@ if (!function_exists('aksrt_single_build_context')) :
 		// browsers). The responsive stylesheet owns narrow-screen hiding.
 		$show_aside = get_post_type($post_id) === 'post'
 			&& $layout !== 'no_sidebar'
-			&& (!function_exists('aksrt_is_show_sidebar') || aksrt_is_show_sidebar());
+			&& aksrt_is_show_sidebar();
 
 		return [
 			'post_id'           => $post_id,