Spacious Storehouse from Easter 2021 event shows upgrade possible

[AdamCoyle]

Spacious Storehouse from Easter 2021 event shows upgrade possible.
This even when it upgraded to max.
Same problem in both Chrome and Microsoft Edge.

[Shugura]

Is same with 2016 and 2019. But i have another problem. I moved this storehouse and it has level 1 what is normal. But I cannot upgade it :-(

[UsUe]

always been bugged from unity version and never fixed