Bitcoin Core 20.1
https://bitcoincore.org/bin/bitcoin-core-0.20.1 (bitcoin-0.20.1-x86_64-linux-gnu.tar.gz // ubuntu 24.04) with Berkeley DB (prune=14000) stops syncing at block 623950 with the following error:
ERROR: ConnectBlock: CheckQueue failed
InvalidChainFound: invalid block=0000000000000000000b1efa2e2c7e7dfa9800dfd66e90e5efbe5530c803da43 height=623951
Tried:
-reindex-chainstate
reconsiderblock
Connecting to different peers
Deleting chainstate
-assumevalid=0
A full -reindex ....

2025-03-12T15:05:55Z UpdateTip: new best=00000000000000000008ab700bbd8c0413ebeb3ac9c67c620bf0310c2f7ca10e height=623944 version=0x37ffe000 log2_work=91.817949 tx=517174209 date='2020-04-01T17:26:54Z' progress=0.500669 cache=444.9MiB(2882282txo)
2025-03-12T15:05:55Z UpdateTip: new best=0000000000000000000706d6f7f39581ff16d31cb9e58082cd78a9c2b05278e8 height=623945 version=0x27ffe000 log2_work=91.817968 tx=517176653 date='2020-04-01T17:35:58Z' progress=0.500671 cache=445.1MiB(2883850txo)
2025-03-12T15:05:55Z UpdateTip: new best=000000000000000000122ec39ee5adcd79e8f247993dc70a90842dfbc3037f0d height=623946 version=0x3fffe000 log2_work=91.817988 tx=517179261 date='2020-04-01T17:37:26Z' progress=0.500673 cache=445.2MiB(2884582txo)
2025-03-12T15:05:56Z UpdateTip: new best=0000000000000000000742f52cba2bec3a1a5b555e4bd04b6d320d39b586c662 height=623947 version=0x20800000 log2_work=91.818008 tx=517181422 date='2020-04-01T17:40:17Z' progress=0.500676 cache=445.2MiB(2884644txo)
2025-03-12T15:05:56Z Pre-allocating up to position 0x800000 in rev02019.dat
2025-03-12T15:05:56Z UpdateTip: new best=0000000000000000000ba251bf6b2f9eb9f12f7db7092f3f7b394733d631d9ec height=623948 version=0x2fffe000 log2_work=91.818028 tx=517182999 date='2020-04-01T17:42:23Z' progress=0.500677 cache=445.5MiB(2887183txo)
2025-03-12T15:05:56Z UpdateTip: new best=000000000000000000113b44d51deb2224807c4afc1badfe92909b4bd328ca9f height=623949 version=0x3fffe000 log2_work=91.818047 tx=517184268 date='2020-04-01T17:46:43Z' progress=0.500678 cache=446.0MiB(2890983txo)
2025-03-12T15:05:56Z UpdateTip: new best=0000000000000000000f2adce67e49b0b6bdeb9de8b7c3d7e93b21e7fc1e819d height=623950 version=0x2000e000 log2_work=91.818067 tx=517186863 date='2020-04-01T18:13:31Z' progress=0.500681 cache=446.4MiB(2894549txo)
2025-03-12T15:05:57Z ERROR: ConnectBlock: CheckQueue failed
2025-03-12T15:05:57Z InvalidChainFound: invalid block=0000000000000000000b1efa2e2c7e7dfa9800dfd66e90e5efbe5530c803da43 height=623951 log2_work=91.818087 date=2020-04-01T18:25:42Z
2025-03-12T15:05:57Z InvalidChainFound: current best=0000000000000000000f2adce67e49b0b6bdeb9de8b7c3d7e93b21e7fc1e819d height=623950 log2_work=91.818067 date=2020-04-01T18:13:31Z
2025-03-12T15:05:57Z ERROR: ConnectTip: ConnectBlock 0000000000000000000b1efa2e2c7e7dfa9800dfd66e90e5efbe5530c803da43 failed, block-validation-failed
2025-03-12T15:05:57Z InvalidChainFound: invalid block=0000000000000000000fbc14816a32e9b27495cddf75ac2b7299012bcc0068ae height=623982 log2_work=91.818699 date=2020-04-01T23:28:09Z
2025-03-12T15:05:57Z InvalidChainFound: current best=0000000000000000000f2adce67e49b0b6bdeb9de8b7c3d7e93b21e7fc1e819d height=623950 log2_work=91.818067 date=2020-04-01T18:13:31Z
2025-03-12T15:05:57Z Disconnecting and discouraging peer 16.162.137.92:8333!
2025-03-12T15:05:57Z Pre-allocating up to position 0x3000000 in blk02022.dat
2025-03-12T15:05:58Z Pre-allocating up to position 0x4000000 in blk02022.dat
2025-03-12T15:05:58Z New outbound peer connected: version: 70016, blocks=887484, peer=329 (block-relay)
2025-03-12T15:05:59Z Pre-allocating up to position 0x5000000 in blk02022.dat
2025-03-12T15:05:59Z Pre-allocating up to position 0x6000000 in blk02022.dat
2025-03-12T15:06:00Z Pre-allocating up to position 0x7000000 in blk02022.dat
2025-03-12T15:06:01Z Pre-allocating up to position 0x8000000 in blk02022.dat
2025-03-12T15:06:02Z Leaving block file 2022: CBlockFileInfo(blocks=115, size=133417269, heights=623589...624392, time=2020-03-30...2020-04-04)
2025-03-12T15:06:02Z Pre-allocating up to position 0x1000000 in blk02023.dat
2025-03-12T15:06:03Z Pre-allocating up to position 0x2000000 in blk02023.dat
2025-03-12T15:06:04Z Pre-allocating up to position 0x3000000 in blk02023.dat
2025-03-12T15:06:04Z Pre-allocating up to position 0x4000000 in blk02023.dat
2025-03-12T15:06:05Z Pre-allocating up to position 0x5000000 in blk02023.dat
2025-03-12T15:07:32Z ERROR: AcceptBlockHeader: prev block invalid
2025-03-12T15:07:32Z Disconnecting and discouraging peer 109.224.244.192:8333!
2025-03-12T15:07:32Z ERROR: AcceptBlockHeader: prev block invalid
2025-03-12T15:07:32Z Disconnecting and discouraging peer 188.214.129.26:8333!
2025-03-12T15:07:32Z ERROR: AcceptBlockHeader: prev block invalid
2025-03-12T15:07:32Z Disconnecting and discouraging peer 95.217.160.34:8333!
2025-03-12T15:07:33Z ERROR: AcceptBlockHeader: prev block invalid
2025-03-12T15:07:33Z Disconnecting and discouraging peer 209.237.133.54:8333!
Any help would be greatly appreciated!