Using the Login with Amazon SDK for iOS APIs for my new app but it always gives an error codes 18889275382 , 08889275382 , 8889275382

Using the Login with Amazon SDK for iOS APIs for my new app but it always gives an error codes 18889275382 , 08889275382 , 8889275382 , The three error codes on further investigation shows that the files hosted on aws are not responding well to login with amazon sdk for IOS API