I understand now, thanks.
Yes it is a bit tricky. You can choose the number of your color, but if you touch the field with the pallet, it changes to the color you touched! So it's a bit a game, how to leave the colorfield. In my case I have to go horizontally to the left, and then save.
If you know an easier solution, you're invited to share!
It works, give the address in the JEM part and save, it will be there, you can even move the marker, to correct.
There is a problem with google api key which isn't anymore supported. (very old key work)
Choose "Show google map"
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