Results 2 issues of José Luis C

Hi! I'm trying to integrate BenchMARL with the [MAgent2](https://github.com/Farama-Foundation/MAgent2) environment, but I've encountered some problems. The main issue is that when I execute `experiment.run()`, I get the following error: ```python...

[BenchMARL](https://github.com/facebookresearch/BenchMARL) is a valuable tool for benchmarking various MARL algorithms. Integrating MAgent2 in BenchMARL can further promote its adoption within the MARL research community.