How to Append data in a server

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:bust_in_silhouette: Asked By Iroh

Hello,
I’m confused of how I should do to store data in a local server and retrieve it.
In my game all users may add somenthing to a certain array, like a guild chest. My problem is that I always create references to the array in the server, so it never saves the data properly. Also it doesnt update the data, I need to close everything and open it again.

What should I do /o\ ?