Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /is/htdocs/wp1011371_QDL29JJ5F2/www/lib/classes/Produkte/Helpers.php:389 Stack trace: #0 /is/htdocs/wp1011371_QDL29JJ5F2/www/lib/classes/Produkte/Helpers.php(389): in_array('TRU 01633', NULL) #1 /is/htdocs/wp1011371_QDL29JJ5F2/www/lib/classes/Produkte/Detailansicht.php(155): Produkte_Helpers->buttonMerkzettel(0, 'TRU 01633', 'produktDetailBu...', 1) #2 /is/htdocs/wp1011371_QDL29JJ5F2/www/lib/classes/Produkte/Detailansicht.php(36): Produkte_Detailansicht->anzeigenProdukt() #3 /is/htdocs/wp1011371_QDL29JJ5F2/www/includes/produkte/detailansicht.php(10): Produkte_Detailansicht->controller() #4 /is/htdocs/wp1011371_QDL29JJ5F2/www/index.php(110): include('/is/htdocs/wp10...') #5 {main} thrown in /is/htdocs/wp1011371_QDL29JJ5F2/www/lib/classes/Produkte/Helpers.php on line 389