[BR] My opponent had basic darkness energy in the base-neo format

My opponent had basic darkness energy in the base-neo format. Basic dark energy is not legal in this format.

Between turns● Turn 2 begins● travjohnson05 drew 1 card● Attached a [D] Energy to Houndour● travjohnson05 played Energy Search.● Got [D] Energy to hand from deck.● travjohnson05 has shuffled deck.● Houndour used Bite● Houndour did 10 damage to Grimer● Between turns● Turn 3 begins● Hopkins drew 1 card● Hopkins played Double Gust.● Aipom is now active● Sneasel is now active● Grimer evolved into Muk● Pokemon Tower is now in play.● Attached a Double Colorless Energy (BS2 124) to Aipom● Hopkins played Professor Oak.● Hopkins drew 7 cards● Hopkins played Energy Removal.● [D] Energy was discarded● [Hopkins]: basic dark energy?● [Hopkins]: that isnt legal● [Hopkins]: there is only special dark in this era● travjohnson05 wins the game! Opponent surrendered


------------------Begin Game Log------------------
The game is about to start
Type: QuickPlay
Format: Base–Neo
Battle begins between travjohnson05 and Hopkins!
Coin flip [Opening Flip]: TAILS
Hopkins will start
Game setup complete
Between turns
Turn 1 begins
Hopkins drew 1 card
Put Grimer onto bench.
Attached a [P] Energy to Grimer
DEBUG: Grimer’s Current_Energy_Cards: [[P] Energy]
Aipom retreated.
Grimer is now active
Grimer used Nasty Goo
Coin flip [Nasty Goo]: TAILS
Grimer did 10 damage to Houndour
Between turns
Turn 2 begins
travjohnson05 drew 1 card
Attached a [D] Energy to Houndour
DEBUG: Houndour’s Current_Energy_Cards: [[D] Energy]
travjohnson05 played Energy Search.
Got [D] Energy to hand from deck.
travjohnson05 has shuffled deck.
Houndour used Bite
Houndour did 10 damage to Grimer
Between turns
Turn 3 begins
Hopkins drew 1 card
Hopkins played Double Gust.
Aipom is now active
Sneasel is now active
Grimer evolved into Muk
Pokemon Tower is now in play.
Attached a Double Colorless Energy (BS2 124) to Aipom
DEBUG: Aipom’s Current_Energy_Cards: [Double Colorless Energy (BS2 124)]
Hopkins played Professor Oak.
Hopkins drew 7 cards
Hopkins played Energy Removal.
[D] Energy was discarded
[Hopkins]: basic dark energy?
[Hopkins]: that isnt legal
[Hopkins]: there is only special dark in this era
travjohnson05 wins the game! Opponent surrendered
[travjohnson05]: travjohnson05 has exited game.