Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\prdk-wb-be\vendor\nesbot\carbon\src\Carbon\WeekDay.php on line 3

Parse error: syntax error, unexpected 'WeekDay' (T_STRING) in D:\xampp\htdocs\prdk-wb-be\vendor\nesbot\carbon\src\Carbon\WeekDay.php on line 18