Fatal error: Uncaught Error: Class 'PhpParser\Node\Expr' not found in /var/www/development/pixtask/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BooleanNot.php:7 Stack trace: #0 {main} thrown in /var/www/development/pixtask/vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BooleanNot.php on line 7