A part of my game is broken, deffective or missing (3)

I have an issue with my game!

My Project L puzzles are splitting!

Created by Michal Štěpán, Modified on Mon, 14 Jul at 5:48 PM by Michal Štěpán
What should I do if I need a replacement?

Created by Michal Štěpán, Modified on Mon, 14 Jul at 8:23 PM by Michal Štěpán
What should I do if I'm missing a piece?

Created by Michal Štěpán, Modified on Mon, 14 Jul at 8:23 PM by Michal Štěpán