Im trinn to buy some assets, but when i press “Purchase” i just get an empty window where i suppose the checkout section should be. The window is not possible to close without force quitting sketchup. Downloading the free items from the bazaar works, so the problem only occurs when trying to buy assets.
I see that you have RoomBox installed. Does the same thing occurs in RoomBox when you try to purchase a room pack?
Both extensions use a similar system for checkout, so if it works in RoomBox it could give us a clue.
In the meantime, you can purchase the assets in the web version: 3D Bazaar by Lindalë
Then when you come back to the extension using the same account, they should appear as purchased.