[Error] 
Call to undefined function mysql_connect() (0)
/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/classes/mysql/database_mysql.php:19
#0: CDatabase->ConnectInternal()
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/classes/general/database.php:215
#1: CAllDatabase->DoConnect()
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/classes/mysql/database.php:87
#2: CDatabaseMysql->Query(string, boolean, string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/classes/general/user.php:2550
#3: CAllUser::GetGroupPolicy(NULL)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/classes/general/user.php:52
#4: CAllUser->GetSecurityPolicy()
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/include.php:310
#5: require_once(string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/include/prolog_before.php:15
#6: require_once(string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/include/prolog.php:10
#7: require_once(string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/header.php:1
#8: require(string)
	/home/idcollection/web/idcollection.ru/public_html/catalogue/index.php:2
#9: include_once(string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/home/idcollection/web/idcollection.ru/public_html/bitrix/urlrewrite.php:14