The problem

Some time ago, I CD into a program directory and use Homebrew to delete the program. When TRYING to reinstall the program using Brew Install, I reported the error. The same error is reported when executing other commands.

shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory
Error: The current working director doesn't exist, cannot proceed.
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The solution

This error is caused by the current execution of the command is in the directory and other processes or environment deleted, CD to the normal directory or re-mkdir current directory.