[TypeError] 
mb_strtoupper(): Argument #1 ($string) must be of type string, array given (0)
/home/c/cd70212/public_html/bitrix/modules/iblock/classes/general/iblockelement.php:2959
#0: mb_strtoupper(array)
	/home/c/cd70212/public_html/bitrix/modules/iblock/classes/general/iblockelement.php:2959
#1: CAllIBlockElement->PrepareGetList(array, array, array, string, array, array, NULL, NULL, NULL, boolean, string, array, array, array)
	/home/c/cd70212/public_html/bitrix/modules/iblock/classes/mysql/iblockelement.php:326
#2: CIBlockElement->prepareSql(array, array, boolean, array)
	/home/c/cd70212/public_html/bitrix/modules/iblock/classes/mysql/iblockelement.php:684
#3: CIBlockElement::GetList(array, array, boolean, array, array)
	/home/c/cd70212/public_html/bitrix/templates/special_mibok_keengo_sodeistvie/components/bitrix/news.detail/keengo_seminars/result_modifier.php:41
#4: include(string)
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component_template.php:947
#5: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component_template.php:854
#6: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component.php:776
#7: CBitrixComponent->showComponentTemplate()
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component.php:716
#8: CBitrixComponent->includeComponentTemplate()
	/home/c/cd70212/public_html/bitrix/components/bitrix/news.detail/component.php:515
#9: include(string)
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component.php:607
#10: CBitrixComponent->__includeComponent()
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/component.php:684
#11: CBitrixComponent->includeComponent(string, array, boolean, boolean)
	/home/c/cd70212/public_html/bitrix/modules/main/classes/general/main.php:1072
#12: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/c/cd70212/public_html/seminars/date.php:71
#13: include_once(string)
	/home/c/cd70212/public_html/bitrix/modules/main/include/urlrewrite.php:184
#14: include_once(string)
	/home/c/cd70212/public_html/bitrix/urlrewrite.php:2
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