Why is my asset invisible when I build my game but exists without issue when I test in the editor?

Hello, I am making my first game, very new to this software. The problem occurs when I make my build, otherwise it doesn’t occur in the editor. My game has a puzzle in it which activates an animation (simple door lowering). The animation works fine, but when I open the game, the asset is nowhere to be seen. It appears when the puzzle is finished, but not before. I’ve looked for the problem all over the place, in the blueprint, in the animation. I’ve even had a teacher look over it but they werent able to help me. On the off chance that someone has experienced this before, can anyone help me?
Thanks

hi @Hecathena666

Welcome to the forums!

Ok hard to answer without a some idea of the code. Is it BP or c++?

Also just double check you havent set any visibility on the object in code somewhere, yes i know it works in editor, but still check (visible or hidden in game)
Check its not a bad or uncompiled texture thats not rendering

Clutching at straws to be honest but worth looking at