[PHPExcel_Exception] 
Multibyte function overloading in PHP must be disabled for string functions (2). (0)
/home/r/rektorru/public_html/bitrix/php_interface/include/Classes/PHPExcel/Autoloader.php:34
#0: require()
	/home/r/rektorru/public_html/bitrix/php_interface/include/Classes/PHPExcel.php:32
#1: require_once(string)
	/home/r/rektorru/public_html/bitrix/php_interface/init.php:21
#2: createExcelPriceFile()
	/home/r/rektorru/public_html/bitrix/modules/main/classes/mysql/agent.php(159) : eval()'d code:1
#3: eval()
	/home/r/rektorru/public_html/bitrix/modules/main/classes/mysql/agent.php:159
#4: CAgent::ExecuteAgents(string)
	/home/r/rektorru/public_html/bitrix/modules/main/classes/mysql/agent.php:38
#5: CAgent::CheckAgents()
	/home/r/rektorru/public_html/bitrix/modules/main/include.php:260
#6: require_once(string)
	/home/r/rektorru/public_html/bitrix/modules/main/include/prolog_before.php:14
#7: require_once(string)
	/home/r/rektorru/public_html/bitrix/modules/main/include/prolog.php:11
#8: require_once(string)
	/home/r/rektorru/public_html/bitrix/header.php:1
#9: require(string)
	/home/r/rektorru/public_html/catalog/detail.php:2
#10: include_once(string)
	/home/r/rektorru/public_html/bitrix/modules/main/include/urlrewrite.php:155
#11: include_once(string)
	/home/r/rektorru/public_html/bitrix/urlrewrite.php:2