Can't login to the launcher

I can not log in to the launcher suddenly.

When I try to log in as a launcher, it outputs an AS-18109 error code.

The support center did not help.

please help.

Is there a support email to contact a representative?

Log File : EpicGamesLauncher.log

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[2018.07.25-18.08.49:542][503][SignInRouter] GoToUrl(‘https://accounts.launcher-website-prod07.ol.epicgames.com/login/showPleaseWait?client_id=&rememberEmail=false’)
[2018.07.25-18.08.49:542][503][SignInRouter] Resolved To: ‘/login/showPleaseWait?client_id=&rememberEmail=false’
[2018.07.25-18.08.49:542][503][SignInRouter] Best Match: login
[2018.07.25-18.08.50:121][537][SignInRouter] Navigation Complete.
[2018.07.25-18.08.50:462][557]FCommunityPortalManagerImpl: Change State CPManagerState_UserLogin->CPManagerState_SelfUpdateCheck
[2018.07.25-18.08.50:480][558]FCommunityPortalManagerImpl: Change State CPManagerState_SelfUpdateCheck->CPManagerState_WaitEms
[2018.07.25-18.08.50:581][564]FAccountService::SignIn (exchange code)
[2018.07.25-18.08.50:581][564]FCommunityPortalManagerImpl: Change State CPManagerState_WaitEms->CPManagerState_LoggingIn
[2018.07.25-18.08.50:820][578]LogOnline: Warning: OSS: Invalid response. CorrId=caec7b1b-32c0-4c9c-a8e1-f221423a5223 code=403 errorcode=errors.com.epicgames.account.oauth.missing_real_id_association errormessage=An error occurred while communicating with the game servers (errors.com.epicgames.account.oauth.missing_real_id_association). errorraw={
“errorCode” : “errors.com.epicgames.account.oauth.missing_real_id_association”,
“errorMessage” : “Real ID association is required to proceed”,
“messageVars” : [ ],
“numericErrorCode” : 18109,
“originatingService” : “com.epicgames.account.public”,
“intent” : “prod”
}
[2018.07.25-18.08.50:820][578]LogOnline: Warning: OSS: Login request failed. errormessage=An error occurred while communicating with the game servers (errors.com.epicgames.account.oauth.missing_real_id_association). errorcode=18109 errorpath=errors.com.epicgames.account.oauth.missing_real_id_association
[2018.07.25-18.08.50:820][578]FAccountService::OnLoginComplete - 0 FALSE errormessage=An error occurred while communicating with the game servers (errors.com.epicgames.account.oauth.missing_real_id_association). errorcode=18109 errorpath=errors.com.epicgames.account.oauth.missing_real_id_association
[2018.07.25-18.08.50:820][578]FCommunityPortalManagerImpl: Change State CPManagerState_LoggingIn->CPManagerState_LoginError
[2018.07.25-18.08.50:820][578]LogPortal: Error: FAlertReporter: Reporting Alert code: AS-18109
[2018.07.25-18.08.50:822][578]FAccountService::OnLoginPurchaseComplete - 0 FALSE errormessage=An error occurred while communicating with the game servers (errors.com.epicgames.account.oauth.missing_real_id_association). errorcode=18109 errorpath=errors.com.epicgames.account.oauth.missing_real_id_association
[2018.07.25-18.08.55:934][878]LogSlate: Took 0.001150 seconds to synchronously load lazily loaded font ‘…/…/…/Engine/Content/Slate/Fonts/Roboto-Regular.ttf’ (155K)
[2018.07.25-18.08.58:099][ 6][MainRouter] GoToUrl(‘http://launcherhelp.epicgames.com/customer/portal/articles/search?q=AS-18109’)
[2018.07.25-18.08.58:099][ 6][MainRouter] Resolved To: ‘http://launcherhelp.epicgames.com/customer/portal/articles/search?q=AS-18109
[2018.07.25-18.08.58:099][ 6][MainRouter] Best Match: invalid - [0] states compared
[2018.07.25-18.08.58:099][ 6][MainRouter] Externally navigating to ‘http://launcherhelp.epicgames.com/customer/portal/articles/search?q=AS-18109’.
[2018.07.25-18.08.58:100][ 6][MainRouter] Navigation Canceled.
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