php error encounteredmbjkbsdjfsd jnbdskfvfhvsdaf ahbvhdfvhad fjadvfhgdifgad fh hfoah fhfoh hu [closed]

A PHP Error was encountered Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: C:\xampp\htdocs\portalwebperpusip\index.php Line: 294 Function: require_once

A PHP Error was encountered Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: C:\xampp\htdocs\portalwebperpusip\index.php Line: 294 Function: require_once

source https://stackoverflow.com/questions/77332967/php-error-encounteredmbjkbsdjfsd-jnbdskfvfhvsdaf-ahbvhdfvhad-fjadvfhgdifgad-fh-h