Selection tool failing to select parts?

[GhostShinjiro (Shin)]

Having the same problem here. I even made a thread about it.

[Possible bug] Weird selection behaviour

I cannot post on Bug Reports, so I’ll just put it here. I already have tried copying the whole building in another place. I already have tried publishing it to another place. I already have tried reinstalling studio. I already have tried reopening the place. The building is in a folder, not a model. Each part is unlocked. Whenever I hover my cursor over a part (no matter if it’s new or old), in some areas I can select objects behind it. If I drag an object, it goes through any part too in …

This never happened until now.