high availability – Error: Unable to communicate with server

I have a problem to communicate with my servers. currently i have 3 server (server1,server2,server3).

 pcs status
Cluster name: vipcluster
Stack: corosync
Current DC: server1 (version 1.1.16-94ff4df) - partition with quorum
Last updated: Mon Nov 30 13:54:24 2020
Last change: Mon Nov 30 13:03:09 2020 by root via cibadmin on server1

3 nodes configured
2 resources configured

Online: ( server1 server2 server3 )

Full list of resources:

 MasterVip      (ocf::heartbeat:IPaddr2):       Started server1
 Apache (ocf::heartbeat:apache):        Started server1

Daemon Status:
  corosync: active/enabled
  pacemaker: active/enabled
  pcsd: active/enabled

I got error when i try pcs auth

pcs cluster auth server1 server2 server3 -u hacluster -p 12345678 --debug
Running: /usr/bin/ruby -I/usr/share/pcsd/ /usr/share/pcsd/pcsd-cli.rb auth
--Debug Input Start--
{"username": "hacluster", "local": false, "nodes": ("server1", "server2", "server3"), "password": "12345678", "force": false}
--Debug Input End--
Return Value: 0
--Debug Output Start--
{
  "status": "ok",
  "data": {
    "auth_responses": {
      "server1": {
        "status": "noresponse"
      },
      "server2": {
        "status": "noresponse"
      },
      "server3": {
        "status": "noresponse"
      }
    },
    "sync_successful": true,
    "sync_nodes_err": (

    ),
    "sync_responses": {
    }
  },
  "log": (
    "I, (2020-11-30T13:58:40.698257 #3361)  INFO -- : PCSD Debugging enabledn",
    "D, (2020-11-30T13:58:40.698290 #3361) DEBUG -- : Did not detect RHEL 6n",
    "I, (2020-11-30T13:58:40.698310 #3361)  INFO -- : Running: /usr/sbin/corosync-cmapctl totem.cluster_namen",
    "I, (2020-11-30T13:58:40.698322 #3361)  INFO -- : CIB USER: hacluster, groups: n",
    "D, (2020-11-30T13:58:40.711148 #3361) DEBUG -- : ("totem.cluster_name (str) = vipcluster\n")n",
    "D, (2020-11-30T13:58:40.711317 #3361) DEBUG -- : ()n",
    "D, (2020-11-30T13:58:40.711386 #3361) DEBUG -- : Duration: 0.012803976sn",
    "I, (2020-11-30T13:58:40.711515 #3361)  INFO -- : Return Value: 0n",
    "I, (2020-11-30T13:58:40.713529 #3361)  INFO -- : SRWT Node: server1 Request: check_authn",
    "E, (2020-11-30T13:58:40.713631 #3361) ERROR -- : Unable to connect to node server1, no token availablen",
    "I, (2020-11-30T13:58:40.713939 #3361)  INFO -- : SRWT Node: server2 Request: check_authn",
    "E, (2020-11-30T13:58:40.714021 #3361) ERROR -- : Unable to connect to node server2, no token availablen",
    "I, (2020-11-30T13:58:40.714194 #3361)  INFO -- : SRWT Node: server3 Request: check_authn",
    "E, (2020-11-30T13:58:40.714268 #3361) ERROR -- : Unable to connect to node server3, no token availablen"
  )
}
--Debug Output End--

Error: Unable to communicate with server1
Error: Unable to communicate with server2
Error: Unable to communicate with server3

I already enable firewalld

# firewall-cmd --permanent --add-service=high-availability
Warning: ALREADY_ENABLED: high-availability
success
# firewall-cmd --reload
success