Landing autoload.php error

Your software
My Mautic version is: 4.4.10
My PHP version is: 8.0

Your problem
My problem is:
Hi folks I have this error:

  1. I created a landing and I get the error below.
  2. I cloned the landing and the page works (like all the other landings
  3. I swapped the alias of the new one with the old one and now the old one works and the new one doesn’t
    Some idea? I solver with a 301 redirect but I will understand what is this

Fatal error: Uncaught Error: Class ‘ComposerAutoloaderInit5c2befda2e9957918d5a3f60d67c06f5’ not found in /home/…/vendor/autoload.php:25 Stack trace: #0 /home/…/autoload.php(3): require() #1 /home/…/index.php(16): require_once(‘/home/…’) #2 {main} thrown in /home/…/vendor/autoload.php on line 25