In Minecraft 1.16.3, whenever I equip goggles text screen and item icons go black, this happened after I stayed too much under water

How do I generate one apart from crashing the game?

Any chance you have a log?

Actually, the issue is on the game itself I guess.
https://bugs.mojang.com/browse/MC-165208

Oh wow, thank you for having figured this out yourself. If you ever need to know how to find your logs in the future, here is a tutorial from the Fabric wiki: https://fabricmc.net/wiki/player:tutorials:logs_ml:windows