Change api key in jevelin

About Jevelin
I want to change my “API Key”. I have just tried to overwrite and save but it does not work. On your support page, I do not find any feature that makes the change possible. Can you help me find the right one?
I attach a screenshot so you see what I mean – if needed ….?
Regards Ronald

Do you intend to answer my question about API Keys or not !?