Kedro is an open-sourced Python framework for creating maintainable and modular data science code.

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Hi team, *how can we define the same data set in a catalog file across multiple environments?*

I have a two `catalog.yml` files save like so:
```conf/base/catalog.yml
conf/test/catalog.yml```
In each file I have the same datasets but with different types, filepaths, etc. and when I try to run my pipelines with `kedro run --env=test` I get the following error:
```ValueError: Duplicate keys found in [...]/conf/test/catalog.yml and [...]/conf/base/catalog.yml: input_files@{type}```
It says in the docs <https://docs.kedro.org/en/stable/configuration/configuration_basics.html#configuration-loading|here> that duplicate keys should be resolved with OmegaConfigLoader, but am I missing something? Thanks :slightly_smiling_face:

(btw I am running Kedro 0.19.2)

Even when I updated the two `catalog.yml` files to only have one data set entry each the error still occurs

hmm that doesn’t sound right :thinking_face:

The error is even comparing the files across environments

ah looking at the stack trace helped me figure it out...the error was caused by a hook trying to load in the catalog incorrectly - thanks!