Warning: Unsupported declare 'strict_types' in C:\xampp\htdocs\centralautonomos\vendor\dragonmantank\cron-expression\src\Cron\MinutesField.php on line 3

Parse error: syntax error, unexpected ':', expecting ';' or '{' in C:\xampp\htdocs\centralautonomos\vendor\dragonmantank\cron-expression\src\Cron\MinutesField.php on line 27