The error occurs because the code is using PHP array shorthand syntax (`[]`) which isn't supported in older PHP versions. Let me provide a corrected version using traditional `array()` syntax that should work with older PHP versions (5.3+):

```php
[Debug] This page has moved<br />Please use the following URL instead: <a href="https://lordsworld.eu/en/new-products">https://lordsworld.eu/en/new-products</a>