When running the [pacs_fbopt_fishr_erm.yaml](https://github.com/marrlab/DomainLab/blob/erm_hyper_init/examples/benchmark/pacs_fbopt_fishr_erm.yaml) on the [erm_hyper_init branch](https://github.com/marrlab/DomainLab/tree/erm_hyper_init), I get the following error: 
When running the pacs_fbopt_fishr_erm.yaml on the erm_hyper_init branch, I get the following error:
