For the past couple of years I've been playing Borderlands 2 on my PS3. A week ago I bought Borderlands the Handsome Collection for my PS4, and after porting my save I've found that I am not gaining exp for any kills and/or quests.
What am I missing?
(I've checked, this is not a duplicate question, the question in which this is similar to was in a standing point of not having the DLCs)
It includes, among other things, both The Ultimate Vault Hunter Upgrade Pack and Ultimate Vault Hunter Upgrade Pack 2. In fact, it includes absolutely everything released for the game, even all the obscure skin packs.