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 ├─ numpy 2.1.1** is installable with the potential options │ ├─ numpy [1.23.5|1.24.0|...|2.1.1] would require │ │ └─ python_abi 3.10.* *_cp310, which can be installed; │ ├─ numpy [1.23.5|1.24.0|...|2.1.1] would require │ │ └─ python_abi 3.11.* *_cp311, which can be installed; │ ├─ numpy 2.1.1, which can be installed; │ └─ numpy 2.1.1 would require │ └─ python >=3.13.0rc1,<3.14.0a0 , which requires │ └─ _python_rc, which does not exist (perhaps a missing channel); ├─ python 3.12** is not installable because there are no viable options │ ├─ python [3.12.0|3.12.1|...|3.12.6] would require │ │ └─ python_abi 3.12.* *_cp312, which conflicts with any installable versions previously reported; │ └─ python [3.12.0rc3|3.13.0rc1|3.13.0rc2], which cannot be installed (as previously explained); └─ structuretoolkit 0.0.28** is installable and it requires └─ numpy >=1.23.5,<=1.26.4 with the potential options ├─ numpy [1.23.5|1.24.0|...|2.1.1], which can be installed (as previously explained); ├─ numpy [1.23.5|1.24.0|...|2.1.1], which can be installed (as previously explained); ├─ numpy [1.23.5|1.24.0|...|1.24.4] would require │ └─ python_abi 3.8.* *_cp38, which can be installed; ├─ numpy [1.23.5|1.24.0|1.24.1] would require │ └─ python_abi 3.8 *_pypy38_pp73, which can be installed; ├─ numpy [1.23.5|1.24.0|...|1.26.4] would require │ └─ python_abi 3.9.* *_cp39, which can be installed; ├─ numpy [1.23.5|1.24.0|1.24.1] would require │ └─ python_abi 3.9 *_pypy39_pp73, which can be installed; ├─ numpy [1.24.2|1.24.3|1.24.4] would require │ └─ pypy3.8 >=7.3.11 , which can be installed; ├─ numpy [1.24.2|1.24.3|...|1.25.2] would require │ └─ pypy3.9 >=7.3.11 , which can be installed; ├─ numpy [1.26.0|1.26.2|1.26.3|1.26.4] conflicts with any installable versions previously reported; ├─ numpy 1.26.0 would require │ └─ pypy3.9 >=7.3.12 , which can be installed; ├─ numpy [1.26.2|1.26.3] would require │ └─ pypy3.9 >=7.3.13 , which can be installed; └─ numpy 1.26.4 would require └─ pypy3.9 >=7.3.15 , which can be installed.