LibMambaUnsatisfiableError: Encountered problems while solving: - nothing provides _python_rc needed by python-3.12.0rc3-rc3_hab00c5b_1_cpython Could not solve for environment specs The following packages are incompatible ├─ pyfftw is installable with the potential options │ ├─ pyfftw [0.10.1|0.10.3|...|0.12.0] would require │ │ └─ python [2.7* |>=2.7,<2.8.0a0 ], which can be installed; │ ├─ pyfftw [0.10.1|0.10.3|0.10.4] would require │ │ └─ python 3.4* , which can be installed; │ ├─ pyfftw [0.10.1|0.10.3|0.10.4] would require │ │ └─ python [3.5* |>=3.5,<3.6.0a0 ], which can be installed; │ ├─ pyfftw 0.10.4 would require │ │ └─ python 3.6* , which can be installed; │ ├─ pyfftw [0.10.4|0.11.0|0.11.1|0.12.0] would require │ │ └─ python >=3.6,<3.7.0a0 , which can be installed; │ ├─ pyfftw [0.10.4|0.11.0|0.11.1|0.12.0] would require │ │ └─ python >=3.7,<3.8.0a0 , which can be installed; │ ├─ pyfftw [0.11.1|0.12.0] would require │ │ └─ python >=3.8,<3.9.0a0 , which can be installed; │ ├─ pyfftw [0.12.0|0.13.0|0.13.1] would require │ │ ├─ python >=3.10,<3.11.0a0 , which can be installed; │ │ └─ python_abi 3.10.* *_cp310, which can be installed; │ ├─ pyfftw 0.12.0 would require │ │ ├─ python >=3.6,<3.7.0a0 , which can be installed; │ │ └─ python_abi 3.6.* *_cp36m, which can be installed; │ ├─ pyfftw 0.12.0 would require │ │ └─ python_abi 3.6 *_pypy36_pp73, which requires │ │ └─ python 3.6.* *_73_pypy, which can be installed; │ ├─ pyfftw [0.12.0|0.13.0] would require │ │ └─ python_abi 3.7 *_pypy37_pp73, which requires │ │ └─ python 3.7.* *_73_pypy, which can be installed; │ ├─ pyfftw [0.12.0|0.13.0] would require │ │ ├─ python >=3.7,<3.8.0a0 , which can be installed; │ │ └─ python_abi 3.7.* *_cp37m, which can be installed; │ ├─ pyfftw [0.12.0|0.13.0|0.13.1] would require │ │ ├─ python >=3.8,<3.9.0a0 , which can be installed; │ │ └─ python_abi 3.8.* *_cp38, which can be installed; │ ├─ pyfftw [0.12.0|0.13.0|0.13.1] would require │ │ ├─ python >=3.9,<3.10.0a0 , which can be installed; │ │ └─ python_abi 3.9.* *_cp39, which can be installed; │ ├─ pyfftw [0.13.0|0.13.1] would require │ │ └─ python_abi 3.8 *_pypy38_pp73, which can be installed; │ ├─ pyfftw [0.13.0|0.13.1] would require │ │ └─ python_abi 3.9 *_pypy39_pp73, which can be installed; │ └─ pyfftw [0.13.0|0.13.1] would require │ ├─ python >=3.11,<3.12.0a0 , which can be installed; │ └─ python_abi 3.11.* *_cp311, which can be installed; └─ python 3.12** is not installable because there are no viable options ├─ python [3.12.0|3.12.1|3.12.2|3.12.3|3.12.4] conflicts with any installable versions previously reported; └─ python 3.12.0rc3 would require └─ _python_rc, which does not exist (perhaps a missing channel).