Anyone else losing their mansions when storing

I did not lose any mansions but the Montessori school has gone missing! It was in the school district, along with other schools, and it disappeared this morning!

I tried logout, log off, shut down, whatever you call those simple yet complicated steps between the machine and the game, with no results. No, it is not in my inventory either.... It was there last night before / during the bedtime taps......... Hummmmmmmm..........

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Thank you, LPN! Nay, it wasn't in the inventory but it reappeared afterwards.... Just show up.... Like the sun! Mystery solved!