Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\jukester_release4\vendor\theseer\tokenizer\src\TokenCollectionException.php on line 1

Fatal error: Class 'TheSeer\Tokenizer\Exception' not found in D:\xampp\htdocs\jukester_release4\vendor\theseer\tokenizer\src\TokenCollectionException.php on line 4