Fatal error: Uncaught TypeError: array_flip(): Argument #1 ($array) must be of type array, null given in /var/www/html/usophy/vendor/nikic/php-parser/grammar/rebuildParsers.php:24 Stack trace: #0 /var/www/html/usophy/vendor/nikic/php-parser/grammar/rebuildParsers.php(24): array_flip(NULL) #1 {main} thrown in /var/www/html/usophy/vendor/nikic/php-parser/grammar/rebuildParsers.php on line 24