VIP room glitch?

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I recently tried to build a custom VIP room in my resort, but when I click on the door to set a VIP lock my maintenance workers cannot get in the room anymore and the total amount of guest capacity isn't adding up.

I already tried to clear my caches, but it didn't seem to work.
Does anybody have the same problem? Or even better: a solution for this problem? 
Thank you in advance.