Комплексная инженерно-техническая защита и охрана объектов

[TypeError] 
Argument 1 passed to InfoSystems\Tools\IblockTools::getElement() must be of the type int, null given, called in /home/bitrix/www/local/templates/special_mibok_infosystems/components/acs/catalog/catalog_template/ul.php on line 33 (0)
/home/bitrix/www/local/src/Tools/IblockTools.php:169
#0: InfoSystems\Tools\IblockTools::getElement(NULL)
	/home/bitrix/www/local/templates/special_mibok_infosystems/components/acs/catalog/catalog_template/ul.php:33
#1: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:790
#2: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:885
#3: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:775
#4: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:716
#5: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/local/components/acs/catalog/component.php:182
#6: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:607
#7: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:684
#8: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#9: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/courses/index.php:316
#10: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:160
#11: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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