Classic Era seems to be missing "The Captain's Chest"

https://www.wowhead.com/classic/quest=614/the-captains-chest

ATT Quest completed [Unknown (614) (Not in ATT 4.1.6)]

ATT Quest completed [Unknown (614) (Not in ATT 4.1.6)]

When you encounter a report like this one with the red text, click on it and a pop-out window will open.

Copy/paste the log when reporting an issue.

You should put those instructions in the error text. (=

ATT encountered a quest completion error: [Unknown (614) - Not in ATT 4.1.6]. Click the red text for details, then copy and paste the log when reporting.

Updated in caeb1c0.