HttpError: Resource not accessible by integration (???)

[jessedoj]

What happened

When using the following code:

- name: Remove tag on PR failure if: ${{ failure() }} uses: actions-ecosystem/action-remove-labels@v1 with: labels: | ready for testing

We get the following on failure:

Warning: failed to remove label: ready for testing: HttpError: Resource not accessible by integration Error: Error: failed to remove labels: ready for testing

What you expected to happen

Some sort of success?

Environment

We are using
- uses: actions/checkout@v4

Instead of V2 like is in the readme example.