Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\prdk-wb-be\vendor\league\config\src\Configuration.php on line 3

Parse error: syntax error, unexpected 'Data' (T_STRING), expecting variable (T_VARIABLE) in D:\xampp\htdocs\prdk-wb-be\vendor\league\config\src\Configuration.php on line 31