Amplify Admin UI show credential error

### Before opening, please confirm:

- [X] I have checked to see if my question is addressed in the [FAQ](https://github.com/aws-amplify/amplify-console/blob/master/FAQ.md).
- [X] I have [searched for duplicate or closed issues](https://github.com/aws-amplify/amplify-console/issues?q=is%3Aissue+).
- [X] I have read the guide for [submitting bug reports](https://github.com/aws-amplify/amplify-console/blob/master/CONTRIBUTING.md).
- [X] I have done my best to include a minimal, self-contained set of instructions for consistently reproducing the issue.

### App Id

d3ja25qdvvobwd

### Region

us-west-2

### Amplify Console feature

Environment variables

### Describe the bug

Tried to open admin ui console from cli/link from amplify console, the error showed: An error occurred while fetching the app backend: Missing credentials in config, if using AWS_CONFIG_FILE, set AWS_SDK_LOAD_CONFIG=1

### Expected behavior

Show admin ui

### Reproduction steps

Either from amplify console or click on link in the amplify console

### Build Settings

_No response_

### Additional information

_No response_

No files, tests, or entry points are named in the report. Start by reproducing the Admin UI launch for app d3ja25qdvvobwd in us-west-2 from the Amplify Console or its CLI link, then trace where the missing-credentials error is surfaced; done means the Admin UI opens instead of showing that error.

Written by the indexing model from the issue text.