change this line https://github.com/rathena/rathena/blob/83c8183a2ed2e46ffd7005ee9cb998c0f20dfda0/npc/merchants/refine.txt#L572
was
setarray .@indices[1], EQI_HEAD_TOP, EQI_ARMOR, EQI_HAND_L, EQI_HAND_R, EQI_GARMENT, EQI_SHOES, EQI_ACC_L, EQI_ACC_R, EQI_HEAD_MID, EQI_HEAD_LOW;
and this line https://github.com/rathena/rathena/blob/83c8183a2ed2e46ffd7005ee9cb998c0f20dfda0/npc/re/merchants/refine.txt#L60
was
setarray .@indices[1], EQI_HEAD_TOP, EQI_ARMOR, EQI_HAND_L, EQI_HAND_R, EQI_GARMENT, EQI_SHOES, EQI_ACC_L, EQI_ACC_R, EQI_HEAD_MID, EQI_HEAD_LOW;