Could not proxy command to the remote server. Original error: read ECONNRESET

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Hi,

I have a issue while doing executiong the testscript on iOS devices (ipad) by using Appium
iOS: 14.3
Appium:1.20.2

Before starting the testscript, I must deploy the WDA by running below command on the console

xcodebuild -project WebDriverAgent.xcodeproj -scheme WebDriverAgentRunner -destination id= -allowProvisioningUpdates test

If there are some erros showing in the console, example

Executed 1 test, with 1 failure (0 unexpected) in 0.000 (0.009) seconds
2021-02-18 04:25:00.769 xcodebuild[16669:1099335] [MT] IDETestOperationsObserverDebug: 30235.604 elapsed – Testing started completed.
2021-02-18 04:25:00.769 xcodebuild[16669:1099335] [MT] IDETestOperationsObserverDebug: 0.000 sec, +0.000 sec – start
2021-02-18 04:25:00.769 xcodebuild[16669:1099335] [MT] IDETestOperationsObserverDebug: 30235.604 sec, +30235.604 sec – end
Test session results, code coverage, and logs:
//Library/Developer/Xcode/DerivedData/WebDriverAgent-ciegwgvxzxdrqthilmrmczmqvrgu/Logs/Test/Test-WebDriverAgentRunner-2021.02.17_20-01-04-+0900.xcresult
Failing tests:
WebDriverAgentRunner:
-[UITestingUITests testRunner]
** TEST FAILED **

And Then the testscript execution is failed and threw the exception

org.openqa.selenium.SessionNotCreatedException: Unable to create a new remote session. Please check the server log for more details. Original error: An unknown server-side error occurred while processing the command. Original error: Unable to start WebDriverAgent session because of xcodebuild failure: An unknown server-side error occurred while processing the command. Original error: Could not proxy command to the remote server. Original error: read ECONNRESET Make sure you follow the tutorial at https://github.com/appium/appium-xcuitest-driver/blob/master/docs/real-device-config.md. Try to remove the WebDriverAgentRunner application from the device if it is installed and reboot the device.

and then all the following testscripts are failed.

In this case, are there any solution to recover this error and contiune to execute the testscript ?

Thanks,
Khuon