rails error resolution summary

▼ Problems I typed the command rails console on rails, but the following error appears.

Usage: rails new APP_PATH [options]

▼ Countermeasure procedure ① Check with qiita

② Is it necessary to reinstall git or bundle? ⇨ Can't solve

③ Isn't the current directory linked to the project? ⇨ Solution

▼ Impression Apparently, the current directory was changed when the terminal was newly launched.

It's rudimentary, but keep in mind that there are many mistakes in the same system.

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