The issue I'm having is that projectile particles do not appear properly.

With that I mean, if I'm standing still and I cast a projectile spell, no particles from the projectile will appear, ever. The normal "casted spell" cyan particles will appear, though, regardless of projectile. The projectile itself and particles remains invisible or do not appear.

However, if I'm moving sideways (for example flying in creative or walking) and aiming perpendicular to the direction I'm moving towards, and I cast a projectile, the projectile gets particles! I can see it fly across the world with the same cyan particles that appear after casting a spell.

I could not find any FML logs.
However, I grabbed "latest.log", which seems to have some Forge Mod Loader lines: https://pastebin.com/5rJ3mFeN