Title
[Error] 
Call to a member function GetPageNavStringEx() on null (0)
/home/bitrix/www/local/templates/school/components/bitrix/catalog.section/media/result_modifier.php:56
#0: include
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:947
#1: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:854
#2: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:784
#3: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:724
#4: CBitrixComponent->includeComponentTemplate()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4710
#5: Bitrix\Iblock\Component\Base->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/elementlist.php:1330
#6: Bitrix\Iblock\Component\ElementList->loadData()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4689
#7: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/bitrix/www/bitrix/components/bitrix/catalog.section/class.php:354
#8: CatalogSectionComponent->initialLoadAction()
	
#9: call_user_func(array)
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4876
#10: Bitrix\Iblock\Component\Base->doAction()
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4894
#11: Bitrix\Iblock\Component\Base->executeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:668
#12: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1072
#13: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/about/media/kids_section/detail.php:118
#14: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:184
#15: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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