My Gimmighoul chests are not respawning and it has been months, what can I do to get them to respawn?

Question

I've tried fast fowarding the game manually but hasn't worked, it's been approximately 3-4 months since my last chest

Comments

Is there any way to show us something like a screenshot or video of this?

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Well the places that the chest is at is sometimes changing every time Mainly there at a watchtower you can really unmmmm get 3 a day so the answer is they do but in a differ place
hope this helped you

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How do you know this?

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I have finshed it for 6 months and i study it

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Yes I already knew they respawned at the watchtowers, but unfortunately for me they have not so for me to get the coins I have to do it through pokemon go