Fix default image in related posts.

includes/functions.php

@@ -153,7 +153,7 @@ function wzkb_get_the_post_thumbnail( $args = array() ) {
 
 	$defaults = array(
 		'post'          => get_post(),
-		'thumb_default' => __DIR__ . '/frontend/images/default-thumb.png',
+		'thumb_default' => plugins_url( 'frontend/images/default-thumb.png', __FILE__ ),
 		'class'         => 'wzkb-relatd-article-thumb',
 		'size'          => 'thumbnail',
 		'scan_images'   => true,

knowledgebase.php

@@ -13,7 +13,7 @@
  * Plugin Name: WebberZone Knowledge Base
  * Plugin URI: https://github.com/WebberZone/knowledgebase
  * Description: Create a multi-product knowledge base on your WordPress site.
- * Version: 2.3.0
+ * Version: 2.3.1-beta1
  * Author: WebberZone
  * Author URI: https://webberzone.com
  * License: GPL-2.0+

readme.txt

@@ -5,7 +5,7 @@ Tags: knowledge base, knowledgebase, FAQ, frequently asked questions, support, d
 Requires at least: 6.3
 Tested up to: 6.7
 Requires PHP: 7.4
-Stable tag: 2.3.0
+Stable tag: 2.3.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -113,11 +113,16 @@ You can report security bugs through the Patchstack Vulnerability Disclosure Pro
 
 == Upgrade Notice ==
 
-= 2.3.0 =
+= 2.3.1 =
 Completely rewritten. Several new features and enhancements.
 
 == Changelog ==
 
+= 2.3.1
+
+* Bug fix:
+	* Default thumbnail didn't work properly in the related posts.
+
 = 2.3.0 =
 
 Release post: [https://webberzone.com/blog/knowledge-base-v2-3-0/](https://webberzone.com/blog/knowledge-base-v2-3-0/)