在我的iOS应用程序中配置Amazon Mobile Analytics和AWS Cognito会引发一些与IAM相关的异常

Here is the error I get:

这是我得到的错误:

AWSiOSSDKv2 [Error] AWSMobileAnalyticsDefaultDeliveryClient.m line:282 
| -[AWSMobileAnalyticsDefaultDeliveryClient submitEvents:andUpdatePolicies:] 
| Unable to successfully deliver events to server. Response code: 0. 
Error Message:
Error Domain=com.amazonaws.AWSCognitoIdentityErrorDomain Code=6 
The operation couldn’t be completed.AWSiOSSD