[Bitcoin-ABC/bitcoin-abc] Bitcoin-ABC 0.17.1 and 0.18.0 both cannot sync block 1233077 (#246)

I try Bitcoin-ABC 0.17.1 and 0.18.0, both of them stop sync blocks at height 1233077.
But official version from https://www.bitcoinabc.org can sync blocks successfully.
Is it a real issue?