An internal server error occurred. The operation failed. (ErrorInternalServerError)
Action: SyncCalendarList
XCalendarApp.ProviderBase.Exceptions.AccountRequestException: An internal server error occurred. The operation failed. (ErrorInternalServerError)
---> CodeSpark.Apps.Common.Net.Exceptions.HttpException: net_http_message_not_success_statuscode_reason, 500, Internal Server Error
---> System.Net.Http.HttpRequestException: net_http_message_not_success_statuscode_reason, 500, Internal Server Error
at System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
at CodeSpark.Apps.Common.Net.HttpClients.OneHttpClient.ExecuteRequest(CancellationToken cancellationToken, String url, String httpMethod, String requestContent, String authorizationHeader, Dictionary`2 requestHeaders)
Exception_EndOfInnerExceptionStack
at CodeSpark.Apps.Common.Net.HttpClients.OneHttpClient.ExecuteRequest(CancellationToken cancellationToken, String url, String httpMethod, String requestContent, String authorizationHeader, Dictionary`2 requestHeaders)
at CodeSpark.Apps.Common.Net.WebRequests.WebRequest.ExecuteRaw(OneHttpClientFactory httpClientFactory, CancellationToken cancellationToken, XHttpClientRequirements httpClientRequirements, String url, String httpMethod, String mediaType, String requestData, String authorizationHeader, Dictionary`2 requestHeaders, HttpCredential serverCredential, Boolean allowAutoRedirect, Boolean addUserAgentHeader, Encoding responseEncoding)
at CodeSpark.Apps.Common.Net.WebRequests.ScopedWebRequest.ExecuteRaw(CancellationToken cancellationToken,