[TypeError] 
array_filter(): Argument #1 ($array) must be of type array, null given (0)
/var/www/local/templates/zaufer.de/components/voltag/catalog.group/.default/template.php:60
#0: array_filter
	/var/www/local/templates/zaufer.de/components/voltag/catalog.group/.default/template.php:60
#1: include(string)
	/var/www/bitrix_business/modules/main/classes/general/component_template.php:790
#2: CBitrixComponentTemplate->__IncludePHPTemplate
	/var/www/bitrix_business/modules/main/classes/general/component_template.php:885
#3: CBitrixComponentTemplate->IncludeTemplate
	/var/www/bitrix_business/modules/main/classes/general/component.php:784
#4: CBitrixComponent->showComponentTemplate
	/var/www/bitrix_business/modules/main/classes/general/component.php:724
#5: CBitrixComponent->includeComponentTemplate
	/var/www/local/components/voltag/catalog.group/class.php:314
#6: Voltag\CatalogGroup->executeComponent
	/var/www/bitrix_business/modules/main/classes/general/component.php:668
#7: CBitrixComponent->includeComponent
	/var/www/bitrix_business/modules/main/classes/general/main.php:1195
#8: CAllMain->IncludeComponent
	/var/www/local/templates/zaufer.de/components/voltag/wrap/catalog/template.php:7
#9: include(string)
	/var/www/bitrix_business/modules/main/classes/general/component_template.php:790
#10: CBitrixComponentTemplate->__IncludePHPTemplate
	/var/www/bitrix_business/modules/main/classes/general/component_template.php:885
#11: CBitrixComponentTemplate->IncludeTemplate
	/var/www/bitrix_business/modules/main/classes/general/component.php:784
#12: CBitrixComponent->showComponentTemplate
	/var/www/bitrix_business/modules/main/classes/general/component.php:724
#13: CBitrixComponent->includeComponentTemplate
	/var/www/local/components/voltag/wrap/class.php:130
#14: Voltag\Wrap->executeComponent
	/var/www/bitrix_business/modules/main/classes/general/component.php:668
#15: CBitrixComponent->includeComponent
	/var/www/bitrix_business/modules/main/classes/general/main.php:1195
#16: CAllMain->IncludeComponent
	/var/www/zaufer.ru/catalog/list.php:4
#17: include_once(string)
	/var/www/bitrix_business/modules/main/include/urlrewrite.php:184
#18: include_once(string)
	/var/www/bitrix_business/urlrewrite.php:2
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