Cant login to selfhosted vaultwarden

Cant login to vault, but i can create users, looked at log but no errors there i just see internal server error notification popup while trying to login.
Docker compose file:

bitwarden:
    container_name: bitwarden
    image: vaultwarden/server
    restart: always
    networks:
      - traefik_proxy
    volumes:
      - $USERDIR/docker/bitwarden:/data
      - /var/log/docker:/var/log/docker
      - /etc/localtime:/etc/localtime:ro
    environment:
      - SIGNUPS_ALLOWED=false
      - INVITATIONS_ALLOWED=false
      - WEBSOCKET_ENABLED=true
      - LOG_FILE=/var/log/docker/bitwarden.log
      - SMTP_HOST=smtp.gmail.com
      - SMTP_FROM=${SMTP_EMAIL}
      - SMTP_PORT=587
      - SMTP_SSL=true
      - SMTP_USERNAME=${SMTP_EMAIL}
      - SMTP_PASSWORD=${SMTP_PASSWORD}
      - DOMAIN=https://bitwarden.$DOMAINNAME
      - ADMIN_TOKEN=supersecret
      - DATABASE_URL=mysql://bitwarden:${MYSQL_ROOT_PASSWORD}@mariadb/bitwarden
    labels:
      - "traefik.enable=true"
      - "traefik.backend=bitwarden"
      #- "traefik.frontend.rule=Host:bitwarden.${DOMAINNAME}"
      - "traefik.web.frontend.rule=Host:bitwarden.${DOMAINNAME}"
      #- "traefik.port=80"
      - "traefik.web.port=80"
      - "traefik.hub.frontend.rule=Host:bitwarden.${DOMAINNAME};Path:/notifications/hub"
      - "traefik.hub.port=3012"
      - "traefik.hub.protocol=ws"
      - "traefik.docker.network=traefik_proxy"
      - "traefik.frontend.passHostHeader=true"
      - "traefik.frontend.headers.SSLForceHost=true"
      - "traefik.frontend.headers.SSLRedirect=true"
      - "traefik.frontend.headers.STSSeconds=315360000"
      - "traefik.frontend.headers.browserXSSFilter=true"
      - "traefik.frontend.headers.contentTypeNosniff=true"
      - "traefik.frontend.headers.forceSTSHeader=true"
      - "traefik.frontend.headers.SSLHost=bitwarden.${DOMAINNAME}"
      - "traefik.frontend.headers.STSIncludeSubdomains=true"
      - "traefik.frontend.headers.STSPreload=true"
      - "traefik.frontend.headers.frameDeny=true"
      - "traefik.frontend.headers.customResponseHeaders=X-Robots-Tag:noindex,nofollow,nosnippet,noarchive,notranslate,noimageindex"
      - "traefik.frontend.headers.customFrameOptionsValue=allow-from https://${DOMAINNAME}"
### Your environment (Generated via diagnostics page)
* Vaultwarden version: v1.22.2
* Web-vault version: v2.21.1
* Running within Docker: true
* Environment settings overridden: true
* Uses a reverse proxy: true
* IP Header check: true (X-Real-IP)
* Internet access: true
* Internet access via a proxy: false
* DNS Check: true
* Time Check: true
* Domain Configuration Check: true
* HTTPS Check: true
* Database type: MySQL
* Database version: 10.4.21-MariaDB-1:10.4.21+maria~bionic-log
* Clients used: 
* Reverse proxy and version: 
* Other relevant information: 

### Config (Generated via diagnostics page)
<details><summary>Show Running Config</summary>

**Environment settings which are overridden:** DOMAIN, SIGNUPS_ALLOWED, INVITATIONS_ALLOWED, ADMIN_TOKEN, SMTP_HOST, SMTP_SSL, SMTP_PORT, SMTP_FROM, SMTP_USERNAME, SMTP_PASSWORD


```json
{
  "_duo_akey": null,
  "_enable_duo": false,
  "_enable_email_2fa": false,
  "_enable_smtp": true,
  "_enable_yubico": true,
  "_ip_header_enabled": true,
  "admin_token": "***",
  "allowed_iframe_ancestors": "",
  "attachments_folder": "data/attachments",
  "authenticator_disable_time_drift": false,
  "data_folder": "data",
  "database_max_conns": 10,
  "database_url": "*****://*********:*********@*******/*********",
  "db_connection_retries": 15,
  "disable_2fa_remember": false,
  "disable_admin_token": false,
  "disable_icon_download": false,
  "domain": "*****://*********.****.****",
  "domain_origin": "*****://*********.****.****",
  "domain_path": "",
  "domain_set": true,
  "duo_host": null,
  "duo_ikey": null,
  "duo_skey": null,
  "email_attempts_limit": 3,
  "email_expiration_time": 600,
  "email_token_size": 6,
  "enable_db_wal": true,
  "extended_logging": true,
  "helo_name": null,
  "hibp_api_key": null,
  "icon_blacklist_non_global_ips": true,
  "icon_blacklist_regex": null,
  "icon_cache_folder": "data/icon_cache",
  "icon_cache_negttl": 259200,
  "icon_cache_ttl": 2592000,
  "icon_download_timeout": 10,
  "invitation_org_name": "Bitwarden_RS",
  "invitations_allowed": true,
  "ip_header": "X-Real-IP",
  "job_poll_interval_ms": 30000,
  "log_file": "/var/log/docker/bitwarden.log",
  "log_level": "debug",
  "log_timestamp_format": "%Y-%m-%d %H:%M:%S.%3f",
  "org_attachment_limit": null,
  "org_creation_users": "",
  "password_iterations": 100000,
  "reload_templates": false,
  "require_device_email": false,
  "rsa_key_filename": "data/rsa_key",
  "send_purge_schedule": "0 5 * * * *",
  "sends_allowed": true,
  "sends_folder": "data/sends",
  "show_password_hint": true,
  "signups_allowed": true,
  "signups_domains_whitelist": "",
  "signups_verify": false,
  "signups_verify_resend_limit": 6,
  "signups_verify_resend_time": 3600,
  "smtp_accept_invalid_certs": false,
  "smtp_accept_invalid_hostnames": false,
  "smtp_auth_mechanism": null,
  "smtp_debug": false,
  "smtp_explicit_tls": false,
  "smtp_from": "********@*****.***",
  "smtp_from_name": "Bitwarden_RS",
  "smtp_host": "****.*****.***",
  "smtp_password": "***",
  "smtp_port": 587,
  "smtp_ssl": true,
  "smtp_timeout": 15,
  "smtp_username": "********@*****.***",
  "templates_folder": "data/templates",
  "trash_auto_delete_days": null,
  "trash_purge_schedule": "0 5 0 * * *",
  "use_syslog": false,
  "user_attachment_limit": null,
  "web_vault_enabled": true,
  "web_vault_folder": "web-vault/",
  "websocket_address": "0.0.0.0",
  "websocket_enabled": true,
  "websocket_port": 3012,
  "yubico_client_id": null,
  "yubico_secret_key": null,
  "yubico_server": null
}

Does anyone have an idea whats wrong?

Solved it by removing this line - "traefik.backend=bitwarden" from compose file.