[Python] Solve conda-libmamba-solver (libarchive.so.19) error after updating conda to 23.11.0...

After conda update, I am getting the error below after running $ conda, even after setting the solver to classic (using conda config --set solver classic):

Error while loading conda entry point: conda-libmamba-solver (libarchive.so.19: cannot open shared object file: No such file or directory)


I have conda 23.11.0.

On Github there is an issue https://github.com/conda/conda-libmamba-solver/issues/283 in which they mention that if libarchive and libmamba come from the same channel, it should be solved.

But when I reinstall libarchive using channel main, it doesn't update.

Does anyone know how to solve this? I do not want to reinstall Conda from scratch.

Similar links online that do not solve the problem:

• After installing libmamba solver i get `warning libmamba Could not parse state file`
• How to Fix Entry Point Not Found while installing libraries in conda environment
• https://www.reddit.com/r/learnpytho..._i_get_anaconda_to_work_the_way_i_want_it_to/

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