First, they'll have to allow ChatGPT to access their Mac's on-device Messages history when the permissions screen pops up during the setup process. They'll also be prompted to change their privacy preferences in Mac's System Settings to give ChatGPT Full Disk Access.

OpenAI has confirmed that logins and signups on chatgpt.com are failing, with users seeing an authentication key error. Here's the status and what we know so far.