Redirect to 404 from extbase action

gistfile1.txt

# https://stackoverflow.com/questions/55007086/how-to-return-a-proper-404-error-from-extbase-with-a-error-handling-configuratio
$response = GeneralUtility::makeInstance(ErrorController::class)->pageNotFoundAction(
    $GLOBALS['TYPO3_REQUEST'],
    'Your error message',
    ['code' => PageAccessFailureReasons::PAGE_NOT_FOUND]
);
throw new ImmediateResponseException($response);