[Error] 
Class 'WS' not found (0)
/home/bitrix/ext_www/bohdan-books.com/include/price.php:3
#0: include
	/home/bitrix/ext_www/bohdan-books.com/bitrix/modules/main/classes/general/main.php:1359
#1: CAllMain->IncludeFile(string, array, array)
	/home/bitrix/ext_www/bohdan-books.com/local/templates/bogdan_main_page_2/header.php:321
#2: include_once(string)
	/home/bitrix/ext_www/bohdan-books.com/bitrix/modules/main/include/prolog_after.php:96
#3: require(string)
	/home/bitrix/ext_www/bohdan-books.com/bitrix/modules/main/include/prolog.php:11
#4: require_once(string)
	/home/bitrix/ext_www/bohdan-books.com/bitrix/header.php:1
#5: require(string)
	/home/bitrix/ext_www/bohdan-books.com/catalog/index.php:2
#6: include_once(string)
	/home/bitrix/ext_www/bohdan-books.com/bitrix/modules/main/include/urlrewrite.php:159
#7: include_once(string)
	/home/bitrix/ext_www/bohdan-books.com/bitrix/urlrewrite.php:2