Console Error when install jitsi on my ubntu server

Hi !

I have this error in console , after i install jitsi on my ubntu 18.4 server.
Any one can help me?

o @ Logger.js:154
getGlobalOnErrorHandler @ JitsiMeetJS.js:611
window.onerror @ middleware.js:107
callErrorHandler @ GlobalOnErrorHandler.js:61
r.Strophe.log @ strophe.util.js:89
error @ strophe.umd.js:1392
_onRequestStateChange @ strophe.umd.js:5017
XMLHttpRequest.send (async)
d @ strophe.umd.js:5123
(anonymous) @ strophe.umd.js:5134
setTimeout (async)
_processRequest @ strophe.umd.js:5132
_throttledRequestHandler @ strophe.umd.js:5290
_onRequestStateChange @ strophe.umd.js:5033
XMLHttpRequest.send (async)
d @ strophe.umd.js:5123
_processRequest @ strophe.umd.js:5137
_throttledRequestHandler @ strophe.umd.js:5290
_onRequestStateChange @ strophe.umd.js:5033
XMLHttpRequest.send (async)
d @ strophe.umd.js:5123
_processRequest @ strophe.umd.js:5137
_throttledRequestHandler @ strophe.umd.js:5290
_connect @ strophe.umd.js:4586
connect @ strophe.umd.js:2368
_interceptConnectArgs @ strophe.stream-management.js:224
connect @ XmppConnection.js:231
_connect @ xmpp.js:393
connect @ xmpp.js:465
c.connect @ JitsiConnection.js:61
e @ connection.js:47
(anonymous) @ connection.js:178
d @ connection.js:103
h @ connection.js:208
G @ conference.js:189
createInitialLocalTracksAndConnect @ conference.js:637
init @ conference.js:781
async function (async)
init @ conference.js:754
(anonymous) @ actions.web.js:31
Promise.then (async)
(anonymous) @ actions.web.js:30
(anonymous) @ index.js:11
(anonymous) @ middleware.js:29
(anonymous) @ middleware.js:32
(anonymous) @ middleware.js:31
(anonymous) @ middleware.web.js:33
(anonymous) @ middleware.any.js:22
(anonymous) @ middleware.js:67
(anonymous) @ middleware.js:43
(anonymous) @ middleware.js:61
(anonymous) @ middleware.js:78
(anonymous) @ middleware.js:71
(anonymous) @ middleware.js:77
(anonymous) @ middleware.js:39
(anonymous) @ middleware.js:106
(anonymous) @ middleware.js:37
(anonymous) @ middleware.js:33
(anonymous) @ middleware.web.js:24
(anonymous) @ middleware.any.js:93
(anonymous) @ middleware.js:77
(anonymous) @ middleware.web.js:21
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:111
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:30
(anonymous) @ middleware.js:33
(anonymous) @ middleware.js:178
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.web.js:20
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:139
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:60
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:49
(anonymous) @ middleware.js:28
(anonymous) @ middleware.js:12
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:31
(anonymous) @ middleware.js:100
(anonymous) @ middleware.js:106
(anonymous) @ middleware.js:19
(anonymous) @ middleware.js:29
(anonymous) @ middleware.js:101
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:15
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:74
(anonymous) @ middleware.js:40
(anonymous) @ middleware.js:158
_start @ Conference.js:256
componentDidMount @ Conference.js:134
js @ react-dom.production.min.js:238
t.unstable_runWithPriority @ scheduler.production.min.js:20
pa @ react-dom.production.min.js:113
Es @ react-dom.production.min.js:230
ms @ react-dom.production.min.js:206
(anonymous) @ react-dom.production.min.js:114
t.unstable_runWithPriority @ scheduler.production.min.js:20
pa @ react-dom.production.min.js:113
ba @ react-dom.production.min.js:114
ga @ react-dom.production.min.js:113
ds @ react-dom.production.min.js:204
enqueueSetState @ react-dom.production.min.js:127
_.setState @ react.production.min.js:13
(anonymous) @ BaseApp.js:241
_navigate @ BaseApp.js:240
(anonymous) @ middleware.js:149
Promise.then (async)
(anonymous) @ middleware.js:149
(anonymous) @ middleware.js:169
(anonymous) @ middleware.js:26
(anonymous) @ middleware.js:32
(anonymous) @ middleware.js:31
(anonymous) @ middleware.web.js:33
(anonymous) @ middleware.any.js:22
(anonymous) @ middleware.js:67
(anonymous) @ middleware.js:43
(anonymous) @ middleware.js:61
(anonymous) @ middleware.js:78
(anonymous) @ middleware.js:71
(anonymous) @ middleware.js:77
(anonymous) @ middleware.js:147
(anonymous) @ middleware.js:35
(anonymous) @ middleware.js:106
(anonymous) @ middleware.js:37
(anonymous) @ middleware.js:33
(anonymous) @ middleware.web.js:24
(anonymous) @ middleware.any.js:93
(anonymous) @ middleware.js:77
(anonymous) @ middleware.web.js:21
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:111
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:30
(anonymous) @ middleware.js:33
(anonymous) @ middleware.js:178
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.web.js:20
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:139
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:232
(anonymous) @ middleware.js:45
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:49
(anonymous) @ middleware.js:28
(anonymous) @ middleware.js:12
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:31
(anonymous) @ middleware.js:446
(anonymous) @ middleware.js:93
(anonymous) @ middleware.js:96
(anonymous) @ middleware.js:19
(anonymous) @ middleware.js:29
(anonymous) @ middleware.js:101
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:15
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:74
(anonymous) @ middleware.js:40
(anonymous) @ middleware.js:158
dispatch @ redux.js:636
(anonymous) @ actions.js:138
async function (async)
(anonymous) @ actions.js:111
(anonymous) @ index.js:11
(anonymous) @ middleware.js:29
(anonymous) @ middleware.js:32
(anonymous) @ middleware.js:31
(anonymous) @ middleware.web.js:33
(anonymous) @ middleware.any.js:22
(anonymous) @ middleware.js:67
(anonymous) @ middleware.js:43
(anonymous) @ middleware.js:61
(anonymous) @ middleware.js:78
(anonymous) @ middleware.js:71
(anonymous) @ middleware.js:77
(anonymous) @ middleware.js:39
(anonymous) @ middleware.js:106
(anonymous) @ middleware.js:37
(anonymous) @ middleware.js:33
(anonymous) @ middleware.web.js:24
(anonymous) @ middleware.any.js:93
(anonymous) @ middleware.js:77
(anonymous) @ middleware.web.js:21
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:111
(anonymous) @ middleware.js:16
(anonymous) @ middleware.js:30
(anonymous) @ middleware.js:33
(anonymous) @ middleware.js:178
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:24
(anonymous) @ middleware.web.js:20
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:139
(anonymous) @ middleware.js:21
(anonymous) @ middleware.js:60
(anonymous) @ middleware.js:44
(anonymous) @ middleware.js:49
(anonymous) @ middleware.js:28
(anonymous) @ middleware.js:12
(anonymous) @ middleware.js:42
(anonymous) @ middleware.js:31
(anonymous) @ middleware.js:100
(anonymous) @ middleware.js:106
(anonymous) @ middleware.js:19
(anonymous) @ middleware.js:29
(anonymous) @ middleware.js:101
(anonymous) @ middleware.js:24
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:15
(anonymous) @ middleware.js:23
(anonymous) @ middleware.js:20
(anonymous) @ middleware.js:25
(anonymous) @ middleware.js:74
(anonymous) @ middleware.js:40
(anonymous) @ middleware.js:158
_openURL @ AbstractApp.js:113
(anonymous) @ AbstractApp.js:47

|Promise.then (async)|||
|componentDidMount|@|AbstractApp.js:44|
|js|@|react-dom.production.min.js:238|
|t.unstable_runWithPriority|@|scheduler.production.min.js:20|
|pa|@|react-dom.production.min.js:113|
|Es|@|react-dom.production.min.js:230|
|ds|@|react-dom.production.min.js:204|
|Vs|@|react-dom.production.min.js:263|
|Ws|@|react-dom.production.min.js:263|
|(anonymous)|@|react-dom.production.min.js:272|
|ys|@|react-dom.production.min.js:208|
|el|@|react-dom.production.min.js:272|
|render|@|react-dom.production.min.js:273|
|js.renderEntryPoint|@|index.web.js:71|
|(anonymous)|@|ThinCounterpartsBreakExplicitly:18|