Fatal Error PHP 8.3

[AH72KING]

Fatal error: Array and string offset access syntax with curly braces is no longer supported in vendor\leafo\lessphp\lessc.inc.php on line 749

Using php 8.3

$this->less = new \lessc;
if (file_exists($less_path)) {
  $css = $this->less->compileFile($less_path);
}

[matdave]

This project hasn't been updated in 7 years. I would recommend looking at the more actively maintained https://github.com/wikimedia/less.php