IMPORTANT : This cache is not hidden at the published coordinates - don't try to go there!
You need to complete The Moor Adventure Lab to find out where it is hidden.
In order to find this cache, you need to complete The Moor Adventure Lab. You can find The Moor by browsing in the Adventure Lab app or using this link:
https://adventurelab.page.link/wntG
After you answer each question correctly, you will see a journal message giving you part of the coordinates or a hint for this Bonus cache. Note down each piece of information as you go along. After completing the Adventure Lab, you will have all the information that you need to find this Bonus cache.
If you missed any of the information at the time, you can view those journal messages again by reopening the Adventure Lab in the app and then selecting View Journal Entries from the summary screen.