What is the version of xEdit you are using?
FO4Edit 4.0.2 (9D0B47A5)

Describe the bug
For Magic Effect (MGEF) records in FO4Edit with the damage Archetype, the subrecord "Assoc. Item" becomes labeled "Unused". This is inaccurate. For damage magic effects, this subrecord is used to define a damage type (DMGT).

To reproduce
Steps to reproduce the behavior:

1. Go to Fallout4.esm > Magic Effect
2. Click on mod_Lining_FieldGen_EMP_MagicEffect "FieldGen EMP Damage" [MGEF:000BA45E]
3. Subrecord located between "Base Cost" and "Magic Skill (unused)" labeled "Unused"
4. Compare to mod_Lining_FieldGen_Radiation_CloakEffect_2 "FieldGen Radiation Cloak 2" [MGEF:000BA45D]

Expected behavior
Should be labeled "Assoc. Item" like the subrecord is for other archetypes that use it, such as Light or Cloak.