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Fatal error: Uncaught TypeError: extract(): Argument #1 ($array) must be of type array, null given in /home/conferenceineuro/public_html/conf-detail.php:27 Stack trace: #0 /home/conferenceineuro/public_html/conf-detail.php(27): extract(NULL) #1 {main} thrown in /home/conferenceineuro/public_html/conf-detail.php on line 27