when im casualy looking on the homebrew page most of them just work and sometimes i get an Internal Errors by clicking on an random content on the homebrew page 

Does it happen to the same hombres consistently?

It mostly happens with an select few and an large part of the homebrew are. Working fine 

Is it always the same few?

What I know yeah and I also asked on the dnd discord on dnd beyond support channel and one of the mods responded with that he has the same problem that I'm not the only one and the mod said that he Gonna pass my review