Fatal error: Class 'PHPParser_Lexer' not found in /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Lexer/Emulative.php on line 7

Call Stack:
    0.0007     270984   1. {main}() /var/www/html/dev/spa/vendor/nikic/php-parser/lib/PHPParser/Lexer/Emulative.php:0