Index: branches/5.2.x/core/units/helpers/search_helper.php
===================================================================
diff -u -r16692 -r16797
--- branches/5.2.x/core/units/helpers/search_helper.php	(.../search_helper.php)	(revision 16692)
+++ branches/5.2.x/core/units/helpers/search_helper.php	(.../search_helper.php)	(revision 16797)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: search_helper.php 16692 2021-08-31 09:24:09Z alex $
+* @version	$Id: search_helper.php 16797 2024-08-16 08:27:01Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -172,10 +172,16 @@
 
 			$table_name = ($sql_filter_type == 'where') ? $table_name : '';
 
-			// replace wid inside table name to WID_MARK constant value
-			$is_temp_table = preg_match('/(.*)'.TABLE_PREFIX.'ses_'.$this->Application->GetSID().'(_[\d]+){0,1}_edit_(.*)/', $table_name, $regs);
-			if ($is_temp_table) {
-				$table_name = $regs[1].TABLE_PREFIX.'ses_'.EDIT_MARK.'_edit_'.$regs[3]; // edit_mark will be replaced with sid[_main_wid] in AddFilters
+			// Replace wid inside table name to WID_MARK constant value.
+			$is_temp_table = preg_match(
+				'/(.*)' . TABLE_PREFIX . 'ses_[\d]+(_[\d]+){0,1}_edit_(.*)/',
+				$table_name,
+				$regs
+			);
+
+			// The EDIT_MARK will be replaced with sid[_main_wid] in AddFilters.
+			if ( $is_temp_table ) {
+				$table_name = $regs[1] . TABLE_PREFIX . 'ses_' . EDIT_MARK . '_edit_' . $regs[3];
 			}
 
 			return Array ($field_name, $field_type, $table_name, $sql_filter_type);
@@ -855,7 +861,21 @@
 		 */
 		public function getSearchTable()
 		{
-			return TABLE_PREFIX . 'ses_' . $this->Application->GetSID() . '_' . TABLE_PREFIX . 'Search';
+			try {
+				$sid = $this->Application->GetSID(Session::PURPOSE_REFERENCE);
+			}
+			catch ( RuntimeException $e ) {
+				// 1. Put some real variable into session, or otherwise it won't even save to the database.
+				$this->Application->StoreVar('search_made', 'yes');
+
+				// 2. Create session on they fly to store search results.
+				$this->Application->Session->SaveData();
+
+				// 3. Get ID of the created session.
+				$sid = $this->Application->GetSID(Session::PURPOSE_REFERENCE);
+			}
+
+			return TABLE_PREFIX . 'ses_' . $sid . '_' . TABLE_PREFIX . 'Search';
 		}
 
 	}