[Error] 
Class "XMLReader" not found (0)
/home/bitrix/www/bitrix/components/rarus.sms4b/subscribe.minisub/component.php:87
#0: include
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:607
#1: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:684
#2: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#3: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/sms4b_demo/minisub.php:15
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