[Error] 
[] operator not supported for strings (0)
/var/www/clients/client54/web84/web/local/php_interface/include/tools.php:108
#0: GetPrevNextElements(integer, array)
	/var/www/clients/client54/web84/web/local/templates/.default/components/bitrix/catalog/faq-dev/bitrix/catalog.element/.default/result_modifier.php:33
#1: include(string)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component_template.php:877
#2: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component_template.php:784
#3: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:735
#4: CBitrixComponent->showComponentTemplate()
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:683
#5: CBitrixComponent->includeComponentTemplate()
	/var/www/clients/client54/web84/web/bitrix/modules/iblock/lib/component/base.php:4135
#6: Bitrix\Iblock\Component\Base->loadData()
	/var/www/clients/client54/web84/web/bitrix/modules/iblock/lib/component/base.php:4114
#7: Bitrix\Iblock\Component\Base->initialLoadAction()
	/var/www/clients/client54/web84/web/bitrix/modules/iblock/lib/component/element.php:270
#8: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#9: call_user_func(array)
	/var/www/clients/client54/web84/web/bitrix/modules/iblock/lib/component/base.php:4299
#10: Bitrix\Iblock\Component\Base->doAction()
	/var/www/clients/client54/web84/web/bitrix/modules/iblock/lib/component/base.php:4317
#11: Bitrix\Iblock\Component\Base->executeComponent()
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:638
#12: CBitrixComponent->includeComponent(string, array, object)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/main.php:1038
#13: CAllMain->IncludeComponent(string, string, array, object)
	/var/www/clients/client54/web84/web/local/templates/.default/components/bitrix/catalog/faq-dev/element.php:19
#14: include(string)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component_template.php:720
#15: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component_template.php:815
#16: CBitrixComponentTemplate->IncludeTemplate(array)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:735
#17: CBitrixComponent->showComponentTemplate()
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:683
#18: CBitrixComponent->includeComponentTemplate(string)
	/var/www/clients/client54/web84/web/bitrix/components/bitrix/catalog/component.php:171
#19: include(string)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:594
#20: CBitrixComponent->__includeComponent()
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/component.php:653
#21: CBitrixComponent->includeComponent(string, array, boolean)
	/var/www/clients/client54/web84/web/bitrix/modules/main/classes/general/main.php:1038
#22: CAllMain->IncludeComponent(string, string, array, boolean)
	/var/www/clients/client54/web84/web/support/index.php:145
#23: include_once(string)
	/var/www/clients/client54/web84/web/bitrix/modules/main/include/urlrewrite.php:159
#24: include_once(string)
	/var/www/clients/client54/web84/web/bitrix/urlrewrite.php:2