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Ucp-controller status cant be up

Hi,

In my docker ee, I use 3 ucp. Today i couldnt open webbased page of three UCP nodes.

When i check ucp-controller container via docker ps -a command status is still restarting.

32fbc35c6478 docker/ucp-controller:3.1.3 “/bin/controller ser…” 6 weeks ago Restarting (1) 35 seconds ago ucp-controller

I used
systemctl restart docker
doesnt work
systemctl disable docker
systemctl enable docker
doesnt work

i reboot the redhat os. ucp-controller; status is still restarting.

Does anyone has suggestion?

docker info

Containers: 16
 Running: 12
 Paused: 0
 Stopped: 4
Images: 9
Server Version: 18.09.3
Storage Driver: overlay2
 Backing Filesystem: xfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge host macvlan null overlay
 Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: active
 NodeID: 0nuj2rbs14ga7e44uzmkanjbn
 Is Manager: true
 ClusterID: zte05trmdwdhdxma93vir4vf0
 Managers: 3
 Nodes: 10
 Default Address Pool: 10.0.0.0/8  
 SubnetSize: 24
 Orchestration:
  Task History Retention Limit: 5
 Raft:
  Snapshot Interval: 10000
  Number of Old Snapshots to Retain: 0
  Heartbeat Tick: 1
  Election Tick: 10
 Dispatcher:
  Heartbeat Period: 5 seconds
 CA Configuration:
  Expiry Duration: 3 months
  Force Rotate: 0
  External CAs:
    cfssl: https://10.13.104.70:12381/api/v1/cfssl/sign
    cfssl: https://10.13.104.71:12381/api/v1/cfssl/sign
    cfssl: https://10.13.104.74:12381/api/v1/cfssl/sign
 Autolock Managers: false
 Root Rotation In Progress: false
 Node Address: 10.13.104.71
 Manager Addresses:
  10.13.104.70:2377
  10.13.104.71:2377
  10.13.104.74:2377
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: e6b3f5632f50dbc4e9cb6288d911bf4f5e95b18e
runc version: 6635b4f0c6af3810594d2770f662f34ddc15b40d
init version: fec3683
Security Options:
 seccomp
  Profile: default
Kernel Version: 3.10.0-957.10.1.el7.x86_64
Operating System: Red Hat Enterprise Linux Server 7.6 (Maipo)
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 15.51GiB
Name: istpdockerucp02v
ID: SUWT:VUE6:ZLWW:LXRP:O563:S25G:IHZ4:CTF4:TWTH:WTC3:LILW:HN4I
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Labels:
 com.docker.security.seccomp=enabled
Experimental: false
Insecure Registries:
 127.0.0.0/8
Live Restore Enabled: false
Product License: Quantity: 10 Nodes	Expiration date: 2019-04-14	License is currently active

When i check the logs of ucp-controller, i see a fatal error:

{“level”:“fatal”,“msg”:“unable to create config manager: unable to create default org session from authenticator: unable to get identity token for default org: http client error: Post https://192.168.104.71:12385/enzi/v0/id/token: dial tcp 192.168.104.71:12385: connect: connection refused”,“time”:“2019-04-08T12:07:59Z”}

Does anyone help me?