unable to access service request manager

My SELECT Account: Service Request Manager

We have encountered issues with your credentials and our administration center has been notified to resolve it for you. We apologize for any inconvenience that this may have caused you, and we appreciate your understanding as we continue to improve our customer experience.

and i try to login using connection client, the log is below

Starting Check...
Checking service...
Checking Network...
Checking CONNECTION client...
CC configured with Env 1
Checking ULAS...
User: it@xxx.xxx
AccountId:
User ID: 315BBA07-44C2-48C8-8F8E-2EDF9D78C6F8
Failed to check ULAS: System.ArgumentNullException: 值不能為 null。
參數名稱: String
於 System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
於 System.Number.ParseInt64(String value, NumberStyles options, NumberFormatInfo numfmt)
於 HealthCheck.HealthViewModel.CheckUlas(CCLicenseClient ccApi, ServiceClientAPI lcApi)
Checking Entitlement...
Done.

could you help? thanks

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