Warning: Unsupported declare 'strict_types' in C:\AppServ\www\caiwu\vendor\maennchen\zipstream-php\src\Option\Version.php on line 2

Fatal error: Class 'MyCLabs\Enum\Enum' not found in C:\AppServ\www\caiwu\vendor\maennchen\zipstream-php\src\Option\Version.php on line 18