[RedisException] 
Connection closed (0)
/data/servers/discount2/data/bitrix/modules/main/include.php:281
#0: session_start()
	/data/servers/discount2/data/bitrix/modules/main/include.php:281
#1: require_once(string)
	/data/servers/discount2/data/bitrix/modules/main/include/prolog_before.php:14
#2: require_once(string)
	/data/servers/discount2/data/bitrix/modules/main/include/prolog.php:10
#3: require_once(string)
	/data/servers/discount2/data/bitrix/header.php:1
#4: require(string)
	/data/servers/discount2/data/index.php:2

( ! ) Fatal error: Uncaught RedisException: Connection closed in [no active file] on line 0
Call Stack
#TimeMemoryFunctionLocation
10.86292299936Bitrix\Main\Diag\ExceptionHandler->handleException( ).../exceptionhandler.php:0
( ! ) RedisException: Connection closed in /data/servers/discount2/data/bitrix/modules/main/include.php on line 281
Call Stack
#TimeMemoryFunctionLocation
10.0047362432{main}( ).../index.php:0
20.0055362688require( '/data/servers/discount2/data/bitrix/header.php' ).../index.php:2
30.0067362960require_once( '/data/servers/discount2/data/bitrix/modules/main/include/prolog.php' ).../header.php:1
40.0074363312require_once( '/data/servers/discount2/data/bitrix/modules/main/include/prolog_before.php' ).../prolog.php:10
50.0079365800require_once( '/data/servers/discount2/data/bitrix/modules/main/include.php' ).../prolog_before.php:14
60.15592293328session_start ( ).../include.php:281