Fatal error: Uncaught Error: Class "PhpParser\NodeAbstract" not found in C:\WebServer\htdocs\bookshelf\vendor\nikic\php-parser\lib\PhpParser\Node\StaticVar.php:8 Stack trace: #0 C:\WebServer\htdocs\bookshelf\vendor\nikic\php-parser\lib\PhpParser\Node\Stmt\StaticVar.php(5): require() #1 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\nikic\php-parser\lib\PhpParser\Node\StaticVar.php on line 8