Marketplace lags and crashes the game when doing certain actions

When trying to buy something without Minecoins on a server, clicking on a video, and other actions, the game crashes. Other things like going back to the previous page will lag/freeze the game for about 2 seconds and on some occasions have the game crash.

 

Steps to Reproduce:

1. Open the Marketplace
2. Open any piece of content
3. Do any of the actions as said above.