https://m.stacker.news/31660https://mempool.space/pt/block/000000000000000000032deab529a049efa90dc5b51a8e5a08f7c837c0535c8e
What does it mean to mine an empty block. How does that happen?
Miner can choose freely what transactions to include or not include in block. "Empty block" means it has just one transaction - coinbase transaction, which creates new bitcoins.
Let them enjoy. They have done something very real PoW.