[TypeError] 
call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "showSortsContents" not found or invalid function name (0)
/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3389
#0: CAllMain->EndBufferContent
	
#1: ob_end_clean
	/home/bitrix/www/bitrix/modules/main/lib/httpresponse.php:32
#2: Bitrix\Main\HttpResponse->flush
	/home/bitrix/www/bitrix/modules/main/lib/response.php:91
#3: Bitrix\Main\Response->send
	/home/bitrix/www/bitrix/modules/main/lib/engine/response/redirect.php:155
#4: Bitrix\Main\Engine\Response\Redirect->send
	/home/bitrix/www/bitrix/modules/main/lib/application.php:327
#5: Bitrix\Main\Application->end
	/home/bitrix/www/bitrix/modules/main/tools.php:3527
#6: LocalRedirect
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4348
#7: Bitrix\Iblock\Component\Base->processLinkAction
	
#8: call_user_func
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4876
#9: Bitrix\Iblock\Component\Base->doAction
	/home/bitrix/www/bitrix/modules/iblock/lib/component/base.php:4894
#10: Bitrix\Iblock\Component\Base->executeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:668
#11: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1195
#12: CAllMain->IncludeComponent
	/home/bitrix/www/local/templates/main/components/bitrix/catalog/katalog/section.php:125
#13: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:790
#14: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:885
#15: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:784
#16: CBitrixComponent->showComponentTemplate
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:724
#17: CBitrixComponent->includeComponentTemplate
	/home/bitrix/www/bitrix/components/bitrix/catalog/component.php:323
#18: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:615
#19: CBitrixComponent->__includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:692
#20: CBitrixComponent->includeComponent
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1195
#21: CAllMain->IncludeComponent
	/home/bitrix/www/katalog/index.php:213
#22: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:184
#23: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2
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