[Error] 
Undefined constant "Bitrix\Main\Diag\ASSERT_QUIET_EVAL" (0)
/home/c/cv18455/siteProject/bitrix/modules/main/lib/diag/exceptionhandler.php:244
#0: Bitrix\Main\Application->initializeExceptionHandler()
	/home/c/cv18455/siteProject/bitrix/modules/main/lib/application.php:94
#1: Bitrix\Main\Application->initializeBasicKernel()
	/home/c/cv18455/siteProject/bitrix/modules/main/start.php:173
#2: require_once(string)
	/home/c/cv18455/siteProject/bitrix/modules/main/include.php:10
#3: require_once(string)
	/home/c/cv18455/siteProject/bitrix/modules/main/include/prolog_before.php:14
#4: require_once(string)
	/home/c/cv18455/siteProject/bitrix/modules/main/include/prolog.php:10
#5: require_once(string)
	/home/c/cv18455/siteProject/bitrix/header.php:1
#6: require(string)
	/home/c/cv18455/siteProject/sites/btk-russia.ru/catalog/index.php:1
#7: include_once(string)
	/home/c/cv18455/siteProject/bitrix/modules/main/include/urlrewrite.php:159
#8: include_once(string)
	/home/c/cv18455/siteProject/bitrix/urlrewrite.php:2