Switch Layering issue with shed near top of farm

justjuulok

Tiller
After building a shed near the top of my farm (in Winter), the very top of the roof has disappeared/seems like it is a layer below the cliff. It appeared this way immediately upon Robin's completion of it and has not gone away days later. I've attached a screenshot below.

Version: v1.6.15 build 3
Single-player
Nintendo Switch

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