Guys, I found the way to get the commands working.
You must type in capital letters, for example
/MAKEITEM ITEM_CH_SWORD_09_RARE C 9
and then it will drop the item, and you'll have to pick it up.
To equip items, you must unequip your items first
You must type in capital letters, for example
/MAKEITEM ITEM_CH_SWORD_09_RARE C 9
and then it will drop the item, and you'll have to pick it up.
To equip items, you must unequip your items first