Warning: require(C:\Sites\ContratouAI\public/../vendor/autoload.php): Failed to open stream: No such file or directory in C:\Sites\ContratouAI\public\index.php on line 12

Fatal error: Uncaught Error: Failed opening required 'C:\Sites\ContratouAI\public/../vendor/autoload.php' (include_path='.;C:\PHP\includes') in C:\Sites\ContratouAI\public\index.php:12
Stack trace:
#0 {main}
  thrown in C:\Sites\ContratouAI\public\index.php on line 12