Symfony login doing nothing [closed]

I ran in strange problem with Symfony 4.4. I'm using default login and registration system from Symfony 4.4 documentation. It is working fine locally, but when I upload it to other server - login does nothing. It is simply reloading page. Other pages of same website working fine, Database record created and readed correctly. Issue is only with Login. Seems that session is not created, but there is no errors, and page is simply reloaded. Any ideas?

Security.yaml:

security:
encoders:
    App\Entity\User:
        algorithm: argon2i

# https://symfony.com/doc/current/security.html#where-do-users-come-from-user-providers
providers:
    # used to reload user from session & other features (e.g. switch_user)
    app_user_provider:
        entity:
            class: App\Entity\User
            property: email
firewalls:
    dev:
        pattern: ^/(_(profiler|wdt)|css|images|js)/
        security: false
    main:
        anonymous: true
        guard:
            authenticators:
                - App\Security\LoginFormAuthenticator
            entry_point: App\Security\LoginFormAuthenticator
        logout:
            path:   app_logout

        # activate different ways to authenticate
        # https://symfony.com/doc/current/security.html#firewalls-authentication

        # https://symfony.com/doc/current/security/impersonating_user.html
        # switch_user: true
role_hierarchy:
    ROLE_ADMIN:       ROLE_USER
# Easy way to control access for large sections of your site
# Note: Only the *first* access control that matches will be used
access_control:
    # - { path: ^/admin, roles: ROLE_ADMIN }
    # - { path: ^/profile, roles: ROLE_USER }