2.4. Internal Chat Guide (Chat)
Beyond email and project comments, this is an internal messenger that lets you have 1:1 or group conversations with internal/external (registered-friend vendor) partners for collaboration that requires real-time responsiveness.
1. Using Chat
- Create a room: In the left
[Chat]tab, clickNew Chator the plus button next to the logo, then search for and add the members you want to include. - Project group chat: From a specific project detail page, use the shortcut (Create Group Chat) to open, in one click, a fixed chat room that already includes all members of that project.
- Share files: Upload documents and images via the paperclip attachment icon at the bottom of the chat window. Shared files are saved in the chat room's gallery.

1-1. Chat Troubleshooting (FAQ)
- Q: "A specific user doesn't appear in the invite list (search)."
- Error code/symptom:
USER_NOT_IN_FRIENDST_LIST - A: For external guests or staff at external companies, they must first be registered and accepted as a mutual friend in your
[My Friends]list before they can be invited to a chat room.
- Error code/symptom:
- Q: "I sent a message by mistake. Can I delete or edit it?"
- Error code/symptom:
MESSAGE_DELETE_NOT_ALLOWED - A: For messages you sent, you can
Deletethem within 5 minutes of sending by right-clicking the message (or using the three-dot menu). However, per security policy, an edit feature is not provided. When deleted, it is shown as "(This message was deleted)".
- Error code/symptom:
- Q: "Can a new member invited to a chat room later see the entire previous conversation history?"
- Error code/symptom:
CHAT_HISTORY_VISIBILITY_NEW_MEMBER - A: No, past conversation history is not shared with newly invited members. For important history that team members who join later need to see the full flow of, please use the Project Detail > Comments board rather than chat.
- Error code/symptom: