Re: I’ve lost over 200 gems they’ve disappeared and coins have increased suddenly.

This is one of the many things that are happening at the moment ,the game is all over the place.

You can try an get it sorted by pressing the spanner,then help.

It will take you to a page and fill the form in under missing content.

you will need your player ID which you will find under download preferences 

take a screenshot of this as they can do anything without it and keep a copy of it.

good luck