I'm getting something similar with the Water Splash ParticleSystem Template thing, it happened right after I downloaded some new meshes. I don't get to play with my new toys! D8
But I did find something that I -think- has something to do with this.
In the FH+ Folder, there's a text document that is titled FH. I tried messing with it, didn't help me, I dunno. It feels like the problem's in here. This is what it says (mind you, I downloaded Drek's meshes, so his/her stuff shows in there

):
Capabilities:: VertexProgram: YES
Capabilities:: FragmentProgram: YES
Sound:: Initialized: YES
WARNING::LoadFile:Overwriting Particle Template: WaterSplash
WARNING::LoadFile:Overwriting Particle Template: WaterfallSmoke
WARNING::LoadFile:Overwriting Particle Template: SmallFire
WARNING::LoadFile:Overwriting Particle Template: WaterfallSmoke
WARNING::LoadFile:Overwriting Particle Template: LargeAura
WARNING::LoadFile:Overwriting Particle Template: Bonfire
WARNING::LoadFile:Overwriting Particle Template: BonfireSpark
ERROR::LoadFile::cannot find fhFluoritePlains.map
ERROR::Map: failed to load Map fhFluoritePlains
WARNING::LoadFile:Overwriting Particle Template: TFLPFlameDrek_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: VenomFlare_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: RandomFireAura_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: Gyroscope_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: Green-Ring_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: EverLastDrek_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: Effects-1_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekMassElementalCast2_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekLightCast_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekInferno_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekIceFire_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekGuardian_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekEarthCast_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: DrekBarbarian_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: Blue-Orange-V1_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: Blue-Orange-V2_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: IBInnerRing_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: IBLargeRing_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: IBLargeRingExplosion_ParticleDrek
WARNING::LoadFile:Overwriting Particle Template: IBRingBlast_ParticleDrek
You could try messing with that, BUT MAKE A BACKUP FIRST. Lemme know if you get any results or solve it.