Wallet sync stops always at the same height (544814)

[kubiakgithub]

tried to delete wallet db and start over, same thing happened
tried fresh install on another pc on different network and broadband (pc at work) and it got stuck at the same height.

windows 10 pro
chia 1.2.3

log:
2021-08-08T02:19:28.765 wallet chia.wallet.wallet_blockchain: INFO Updated wallet peak to height 544810, weight 389755488,
2021-08-08T02:19:29.790 wallet chia.wallet.wallet_blockchain: INFO Updated wallet peak to height 544811, weight 389757776,
2021-08-08T02:19:29.809 wallet chia.wallet.wallet_blockchain: INFO Updated wallet peak to height 544812, weight 389760064,
2021-08-08T02:19:29.827 wallet chia.wallet.wallet_blockchain: INFO Updated wallet peak to height 544813, weight 389762352,
2021-08-08T02:19:29.886 wallet chia.wallet.wallet_state_manager: INFO Adding coin: {'amount': 99,
'parent_coin_info': '0x1b64dbdb7a1c95228ebfca1588575a1c7f1ee18df70ad15eeb28ddd512b54772',
'puzzle_hash': '0x6fd06a87b36de798824624dcc9cbf663fb05351049372a1064b7a269c18882c4'} at 544814
2021-08-08T02:19:29.889 wallet chia.wallet.wallet_state_manager: INFO Coins removed [Coin(parent_coin_info=<bytes32: be1538c272d59c794d660680909041422bfd170139485b5de6a86e2944281e0d>, puzzle_hash=<bytes32: 8462a5e1635ac8dd6d38206d8865e33b6b52c3458ab7ce5088f258696d8a50ea>, amount=100)] at height: 544814
2021-08-08T02:19:29.891 wallet chia.wallet.wallet_state_manager: INFO Found created launcher. Creating pool wallet
2021-08-08T02:19:29.940 wallet chia.wallet.wallet_blockchain: ERROR Error during db transaction: 'NoneType' object is not iterable
2021-08-08T02:19:29.944 full_node full_node_server : INFO Connection closed: 127.0.0.1, node id: 377a88580a90bb6fd7272fd1d8bb5aaab5b6bc90e8b9396c9c17c48f9cfbeff3
2021-08-08T02:19:29.945 full_node chia.full_node.full_node: INFO peer disconnected {'host': '127.0.0.1', 'port': 8449}
2021-08-08T02:19:29.946 wallet wallet_server : INFO Connection closed: 127.0.0.1, node id: 183cf78e35ddef89e0b6669381d287f5b2621fa3e9ffce7c37f6141ff4f372e5
2021-08-08T02:19:29.948 wallet chia.wallet.wallet_node : ERROR Error while trying to fetch from peer:'NoneType' object is not iterable Traceback (most recent call last):
File "chia\wallet\wallet_node.py", line 527, in batch_sync_to_peak
File "chia\wallet\wallet_node.py", line 728, in fetch_blocks_and_validate
File "chia\wallet\wallet_blockchain.py", line 237, in receive_block
File "chia\wallet\wallet_blockchain.py", line 349, in _reconsider_peak
File "chia\wallet\wallet_state_manager.py", line 599, in new_transaction_block_callback
File "chia\pools\pool_wallet.py", line 359, in create
File "chia\pools\pool_wallet.py", line 232, in update_pool_config
File "chia\pools\pool_config.py", line 45, in load_pool_config
TypeError: 'NoneType' object is not iterable

2021-08-08T02:19:29.950 wallet chia.wallet.wallet_node : ERROR Loop exception in sync Was not able to add blocks 544800-544832. Traceback (most recent call last):
File "chia\wallet\wallet_node.py", line 580, in sync_job
File "chia\wallet\wallet_node.py", line 660, in _sync
File "chia\wallet\wallet_node.py", line 537, in batch_sync_to_peak
RuntimeError: Was not able to add blocks 544800-544832