このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語)：
topic does not exist
対処
関連リンク
Add service to SNS policy - Stack Overflow
https://stackoverflow.com/questions/45356367/add-service-to-sns-policy
PutDeliveryChannel - AWS Config - AWS Documentation
https://docs.aws.amazon.com/config/latest/APIReference/API_PutDeliveryChannel.html
subscribe ? AWS CLI 1.16.102 Command Reference
https://docs.aws.amazon.com/cli/latest/reference/configservice/subscribe.html
AmazonConfig (AWS SDK for Java - 1.11.500) - AWS Documentation
https://docs.aws.amazon.com/goto/SdkForJava/config-2014-11-12/ListDiscoveredResources
InvalidSnsTopicException (AWS SDK for Java - 1.11.478)
https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/simpleemail/model/Inval・・・
AWSのCLIに関して ? skillup
http://skill-up-engineering.com/2018/07/21/aws%E3%81%AEcli%E3%81%AB%E9%96%A2%E3%81%97%E3%81%A6/
AWS CloudTrail Referencing Missing SNS Topic - Cloud Conformity
https://www.cloudconformity.com/conformity-rules/CloudTrail/trail-referencing-missing-sns-topic.html・・・
aws/aws-sdk-go - GitHub
https://github.com/aws/aws-sdk-go/blob/master/service/configservice/errors.go
Erroneous handling of pre-existing event resources. ・ Issue #3435 ...
https://github.com/serverless/serverless/issues/3435
Network.AWS.Config - Hackage
https://hackage.haskell.org/package/amazonka-config-1.3.0/docs/Network-AWS-Config.html