AWS CDK: ‘Bucket named X exists, but not in account Y. Wrong account?’

So you’re trying to deploy a cdk app and you come across

Bucket named X exists, but not in account Y. Wrong account?'

The error message is misleading.

The issue thread on Github points out that the direct cause of this error is a lack of permissions, and not exactly being in the wrong account (which can lead to a lack of permissions).

So, the cause is insufficient s3 permissions. Ensure that the relevant role has sufficient s3…