It is impossible to enable the F3 debug screen when the issue occurs as it only occurs when creating a world and joining it for the first time, and after a few seconds after clicking "back to game" everything works fine.
Reproducing the issue is simple - you need to create a world in the 1.17.1 version of Minecraft.
don't add www
As I said, it's NOT a translation issue. This is not a translation error, but a text error - these non-breaking spaces are a bug not associated with Crowdin and its translations. Nobody in Crowdin would add broken characters as a translation.
I think you should write in English.
I am using optifine (and nothing else), which shouldn't have any effect on spawning mechanics.