Vampire mod load order is sometimes quite hard, and if you don't get it exactly right, everything goes wrong
Here is a sample list:

Thanks to ps33 who unknowingly provided this list, it is significantly better than mine

Scripted_Spells.esp
Vampire_Embrace.esp
Bloodlines
Vampire Realism II.esp
Vampire Realism II - TB Add-On.esp
Vampire Realism II - BM Add-On.esp
Vampire Realism II - BL Patch.esp (Bloodlines Patch)
Vampire Realism II - VE Patch.esp (Vampire Embrace patch)
Vampiric Hunger Base.esp
Vampiric Hunger Extended.esp
Vampiric Hunger - SU.esp ( Suran Underworld fix, ignore if not installed)
Vampiric Hunger MGE Addon for MGE 1.11+.esp
VampiricIllusion.esp
VampiricIllusion_MWSE_AddOn.esp
Diablerie.esp
Diablerie_MWSE_AddOn.esp
ScentOfBlood_MCA_VR.esp
ve_comp_control.esp
vampiric_regeneration.esp
vampiric_mist.esp