Fatal error: Uncaught TypeError: uasort(): Argument #1 ($array) must be of type array, null given in /var/www/wayf.musc.edu/readMetadata.php:175 Stack trace: #0 /var/www/wayf.musc.edu/readMetadata.php(175): uasort() #1 /var/www/wayf.musc.edu/readMetadata.php(47): parseMetadata() #2 /var/www/wayf.musc.edu/index.php(59): require('...') #3 {main} thrown in /var/www/wayf.musc.edu/readMetadata.php on line 175