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[ArgumentCountError] 
Too few arguments to function CAllMain::SetPageProperty(), 1 passed in /home/t/tunion1/public_html/special/index.php on line 5 and at least 2 expected (0)
/home/t/tunion1/public_html/bitrix/modules/main/classes/general/main.php:471
#0: CAllMain->SetPageProperty(string)
	/home/t/tunion1/public_html/special/index.php:5