[Error] 
Call to undefined function curl_init() (0)
/home/bitrix/ext_www/muz.by/bitrix/modules/step2use.optimg/include.php:968
#0: CStepUseOptimg::Optimg(string)
	/home/bitrix/ext_www/muz.by/bitrix/modules/step2use.optimg/include.php:576
#1: CStepUseOptimg::OptimizeAllImgs()
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/classes/mysql/agent.php(162) : eval()'d code:1
#2: eval
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/classes/mysql/agent.php:162
#3: CAgent::ExecuteAgents(string)
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/classes/mysql/agent.php:40
#4: CAgent::CheckAgents()
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/include.php:266
#5: require_once(string)
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/include/prolog_before.php:14
#6: require_once(string)
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/include/prolog.php:10
#7: require_once(string)
	/home/bitrix/ext_www/muz.by/bitrix/header.php:1
#8: require(string)
	/home/bitrix/ext_www/muz.by/katalog/index.php:2
#9: include_once(string)
	/home/bitrix/ext_www/muz.by/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/home/bitrix/ext_www/muz.by/bitrix/urlrewrite.php:2