Help me.... ca't submit to katalon analytic

Hi, i am newbie here using katalon
i want to ask, whats should i do, my katalon can’t upload to katalon analitics manually
and i cant search the bug because of there nothing in detail. is it because my katalon version?
i am using katalon 6.0.6
because when i using upper version, i cant using appium
can anyone help me?
thank you

I also have the same problem uploading a report to analytics. Last week I had no problems, only today.

log shows

Wed Apr 24 14:48:09 CEST 2019
java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1199)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:259)
at com.kms.katalon.application.utils.ServerAPICommunicationUtil.sendAndReceiveData(ServerAPICommunicationUtil.java:216)
at com.kms.katalon.application.utils.ServerAPICommunicationUtil.invoke(ServerAPICommunicationUtil.java:113)
at com.kms.katalon.application.utils.ServerAPICommunicationUtil.post(ServerAPICommunicationUtil.java:47)
at com.kms.katalon.tracking.service.TrackingApiService.post(TrackingApiService.java:24)
at com.kms.katalon.tracking.service.TrackingService.sendEventPayload(TrackingService.java:38)
at com.kms.katalon.tracking.service.TrackingService.lambda$0(TrackingService.java:24)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

Wed Apr 24 14:48:10 CEST 2019
Cannot send request, retry to send.