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Currently, if you have multiple layouts of an open record panel that are used in a variety of places, when you go to delete a layout, it will only tell you where it's being used. That's all fine and well but then you have to go hunt down each individual place where that's being used which, depending on the size of your interface(s), can be nearly impossible which means you're removing the ability to click into records in those locations.
There should be an option when deleting an open record panel layout to default all locations that are using **bleep** to change to another layout of your choice. This would tremendously help consolidating layouts.
If Airtable really wanted to tackle this problem (which of course would be an Enterprise, possibly Business plan feature) would be a central place that manages all layouts for all datasets. But at the minimum, all Airtable users should have a 'default to another layout' option when deleting a layout.