The process '/home/runner/miniconda3/condabin/mamba' failed with exit code 1

critical libmamba Could not solve for environment specs

error libmamba Could not solve for environment specs The following packages are incompatible ├─ lammps =2023.8.2 *openmpi* is installable with the potential options │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi ==3.8 *_pypy38_pp73, which can be installed; │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi =3.10 *_cp310, which can be installed; │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi =3.11 *_cp311, which can be installed; │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi =3.8 *_cp38, which can be installed; │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi =3.9 *_cp39, which can be installed; │ ├─ lammps 2023.08.02 would require │ │ └─ python_abi ==3.9 *_pypy39_pp73, which can be installed; │ └─ lammps 2023.08.02 would require │ └─ __cuda =* *, which is missing on the system; ├─ pyiron_atomistics =0.7.20 * is requested and can be installed; ├─ pyiron_atomistics =0.8.1 * is not installable because it conflicts with any installable versions previously reported; └─ python =3.12 * is not installable because it requires └─ python_abi =3.12 *_cp312, which conflicts with any installable versions previously reported.

CondaKeyError: 'channels': value 'defaults' not present in config