Error:
Typed property Symfony\Component\Ldap\Security\LdapUser::$password must not be accessed before initialization

  at vendor/symfony/ldap/Security/LdapUser.php:50
  at Symfony\Component\Ldap\Security\LdapUser->getPassword()
     (vendor/symfony/ldap/Security/LdapUserProvider.php:106)
  at Symfony\Component\Ldap\Security\LdapUserProvider->refreshUser()
     (vendor/symfony/security-http/Firewall/ContextListener.php:212)
  at Symfony\Component\Security\Http\Firewall\ContextListener->refreshUser()
     (vendor/symfony/security-http/Firewall/ContextListener.php:129)
  at Symfony\Component\Security\Http\Firewall\ContextListener->authenticate()
     (vendor/symfony/security-bundle/Debug/WrappedLazyListener.php:46)
  at Symfony\Bundle\SecurityBundle\Debug\WrappedLazyListener->authenticate()
     (vendor/symfony/security-bundle/Security/LazyFirewallContext.php:61)
  at Symfony\Bundle\SecurityBundle\Security\LazyFirewallContext->__invoke()
     (vendor/symfony/security-bundle/Debug/TraceableFirewallListener.php:91)
  at Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener->callListeners()
     (vendor/symfony/security-http/Firewall.php:92)
  at Symfony\Component\Security\Http\Firewall->onKernelRequest()
     (vendor/symfony/event-dispatcher/Debug/WrappedListener.php:115)
  at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:206)
  at Symfony\Component\EventDispatcher\EventDispatcher->callListeners()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:56)
  at Symfony\Component\EventDispatcher\EventDispatcher->dispatch()
     (vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:126)
  at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch()
     (vendor/symfony/http-kernel/HttpKernel.php:159)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:182)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/html/vendor/autoload_runtime.php')
     (public/index.php:5)

services:
    ...
    Symfony\Component\Ldap\Ldap:
        arguments: ['@Symfony\Component\Ldap\Adapter\ExtLdap\Adapter']
        tags:
            - ldap
    Symfony\Component\Ldap\Adapter\ExtLdap\Adapter:
        arguments:
            - host: "%env(LDAP_HOST)%"
              port: 389
              encryption: none
              options:
                  protocol_version: 3
                  referrals: false

security:
    ...
    # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
    providers:
        ldap_provider:
            ldap:
                service: Symfony\Component\Ldap\Ldap
                base_dn: "%env(LDAP_BASE_DN)%"
                search_dn: "%env(LDAP_BIND_DN)%"
                search_password:  "%env(LDAP_BIND_PASSWORD)%"
                default_roles: ROLE_USER
                extra_fields: ['mail']
    firewalls:
        # activate different ways to authenticate
        # https://symfony.com/doc/current/security.html#the-firewall
        dev:
            pattern: ^/(_(profiler|wdt)|css|images|js)/
            security: false
        main:
            lazy: true
            form_login_ldap:
                service: Symfony\Component\Ldap\Ldap
                provider: ldap_provider
                login_path: app_login
                check_path: app_login
                dn_string: "{user_identifier}@%env(LDAP_DOMAIN)%"
                enable_csrf: true
            logout:
                path: /logout
                target: app_login