[Bitrix\Main\ArgumentTypeException] 
The value of an argument 'signedValue' must be of type string (100)
/home/k/knopikserv/knopik.ru/public_html/bitrix/modules/main/lib/security/sign/signer.php:156
#0: Bitrix\Main\Security\Sign\Signer->unsign(NULL, string)
	/home/k/knopikserv/knopik.ru/public_html/bitrix/modules/main/lib/component/parametersigner.php:41
#1: Bitrix\Main\Component\ParameterSigner::unsignParameters(string, NULL)
	/home/k/knopikserv/knopik.ru/public_html/local/components/custom/services.search/ajax.php:23