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Wednesday, May 27, 2026

How to Fix Backstage NotAllowedError for Group Entities | eduarn

 

How to Fix Backstage NotAllowedError for Group Entities

While working with Backstage catalogs, you may encounter this error:

NotAllowedError: Entity group:default/team-payments is not of an allowed kind for that location

This happens when Backstage tries to load a Group entity from a YAML file like team.yaml, but the Group kind is not allowed in the catalog rules inside app-config.yaml.

Why This Error Happens

Your team.yaml file contains:

kind: Group

But your Backstage configuration only allowed a limited set of entity kinds such as:

- allow: [Component, System, API, Resource, Location, User]

Since Group was missing, Backstage rejected the entity.

How to Fix It

Open your app-config.yaml file and update the catalog rules:

catalog:
  rules:
    - allow: [Component, System, API, Resource, Location, User, Group, Template]

What Changed

We added:

  • Group → for teams and organizations

  • Template → for scaffolder templates

Restart Backstage

After updating the configuration, restart Backstage:

yarn start

Now the team-payments group entity should load successfully in the Backstage catalog.

Recommended Practice

Most Backstage projects commonly allow these entity types:

- allow: [Component, System, API, Resource, Location, User, Group, Template]

This helps avoid catalog ingestion errors when working with teams, templates, and developer portals.

 

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