Index: branches/5.2.x/units/helpers/post_helper.php
===================================================================
diff -u -N -r15140 -r15249
--- branches/5.2.x/units/helpers/post_helper.php	(.../post_helper.php)	(revision 15140)
+++ branches/5.2.x/units/helpers/post_helper.php	(.../post_helper.php)	(revision 15249)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: post_helper.php 15140 2012-03-04 08:07:48Z alex $
+* @version	$Id: post_helper.php 15249 2012-03-30 16:27:14Z alex $
 * @package	In-Bulletin
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -105,11 +105,13 @@
 			 $this->Conn->doUpdate($fields_hash, $table_name, $id_field . ' IN (' . implode(',', $parent_categories) . ')');
 		 }
 
-		 /**
+		/**
 		 * Sets today posts count & today date for topic
 		 *
 		 * @param kCatDBItem $object
+		 * @param int $post_date
 		 * @param int $increment_by
+		 * @return bool
 		 */
 		function updateTodayPostsCount(&$object, $post_date, $increment_by = 1)
 		{
Index: branches/5.2.x/units/posts/post_eh.php
===================================================================
diff -u -N -r15148 -r15249
--- branches/5.2.x/units/posts/post_eh.php	(.../post_eh.php)	(revision 15148)
+++ branches/5.2.x/units/posts/post_eh.php	(.../post_eh.php)	(revision 15249)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: post_eh.php 15148 2012-03-04 09:04:48Z alex $
+* @version	$Id: post_eh.php 15249 2012-03-30 16:27:14Z alex $
 * @package	In-Bulletin
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -339,7 +339,7 @@
 
 			$topic_id = $object->GetDBField('TopicId');
 			if ( !$topic_id ) {
-				// deleting non-existing post
+				// deleting post from non-existing topic
 				return;
 			}
 
@@ -361,6 +361,11 @@
 
 			$main_object->Load($topic_id);
 
+			if ( !$main_object->isLoaded() ) {
+				// this is topic deletion proccess, when all it's posts are deleted too
+				return;
+			}
+
 			$post_helper->updateTodayPostsCount($main_object, $object->GetDBField('CreatedOn'), -1);
 
 			if ( $main_object->GetDBField('LastPostId') == $object->GetID() ) {