You can see the error if you click on the circle CI link on the github PR https://circleci.com/gh/digital-asset/ex-bond-issuance/765?utm_campaign=vcs-integration-link&utm_medium=referral&utm_source=github-build-link
Copying the relevant part here:
io.grpc.StatusRuntimeException: INVALID_ARGUMENT: Disputed: recreated and original transaction mismatch GenTransaction(Map(NodeId(0) -> NodeExercises(None,AbsoluteContractId(008ab00113b981785d9db1aeb1757d2b28024bc02cac02a7ebab8b29d88593ee07),d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidderParticipation,BidderParticipation_PlaceBid,None,false,Set(Bank1),VersionedValue(ValueVersion(6),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidderParticipation_PlaceBid),ImmArray((Some(price),ValueNumeric(42.0000000000)),(Some(quantity),ValueInt64(200000))))),Set(AuctionAgent, Bank1, Issuer, Regulator),Set(AuctionAgent, Issuer),Set(Bank1),ImmArray(NodeId(1)),Some(VersionedValue(ValueVersion(6),ValueContractId(AbsoluteContractId(0065f8ddbafbbc0b2d7b6394ff8dbca0e83d111e6f3a8ec6ef677de3000f939f21)))),None), NodeId(1) -> NodeCreate(None,AbsoluteContractId(0065f8ddbafbbc0b2d7b6394ff8dbca0e83d111e6f3a8ec6ef677de3000f939f21),ContractInst(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:PlaceBidBotTrigger,VersionedValue(ValueVersion(6),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:PlaceBidBotTrigger),ImmArray((Some(cashAssetId),ValueRecord(Some(af4883c0b0a58101f424e475221f905c7af77a363841054a36ccd9b34d0468aa:DA.Finance.Types:Id),ImmArray((Some(signatories),ValueRecord(Some(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0:DA.Next.Set:Set),ImmArray((Some(textMap),ValueTextMap(SortedLookupList((CentralBank,ValueUnit))))))),(Some(label),ValueText(USD)),(Some(version),ValueInt64(0))))),(Some(cashProvider),ValueParty(CentralBank)),(Some(bondProvider),ValueParty(CSD)),(Some(bidder),ValueParty(Bank1)),(Some(auctionAgent),ValueParty(AuctionAgent)),(Some(issuer),ValueParty(Issuer)),(Some(bidData),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidData),ImmArray((Some(price),ValueNumeric(42.0000000000)),(Some(quantity),ValueInt64(200000)),(Some(submissionTime),ValueTimestamp(2020-04-21T19:42:05.610248Z))))),(Some(auctionName),ValueText(testAuction)),(Some(bondAssetId),ValueRecord(Some(af4883c0b0a58101f424e475221f905c7af77a363841054a36ccd9b34d0468aa:DA.Finance.Types:Id),ImmArray((Some(signatories),ValueRecord(Some(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0:DA.Next.Set:Set),ImmArray((Some(textMap),ValueTextMap(SortedLookupList((CSD,ValueUnit))))))),(Some(label),ValueText(BOND-007)),(Some(version),ValueInt64(0))))),(Some(regulators),ValueList(FrontStack(ValueParty(Regulator))))))),),None,Set(AuctionAgent, Bank1),Set(AuctionAgent, Bank1, Regulator),None)),ImmArray(NodeId(0))) expected, but GenTransaction(Map(NodeId(0) -> NodeExercises(Some(Hash(27a958b96a137611696bb7e8b51fdb4dd8e4d27e3fad7beca3620d0789b5f2d3)),AbsoluteContractId(008ab00113b981785d9db1aeb1757d2b28024bc02cac02a7ebab8b29d88593ee07),d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidderParticipation,BidderParticipation_PlaceBid,Some(Location(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0,DA.Internal.Prelude,$u002b$u002b,(380,25),(380,27))),false,TreeSet(Bank1),VersionedValue(ValueVersion(6),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidderParticipation_PlaceBid),ImmArray((Some(price),ValueNumeric(42.0000000000)),(Some(quantity),ValueInt64(200000))))),TreeSet(AuctionAgent, Bank1, Issuer, Regulator),TreeSet(AuctionAgent, Issuer),TreeSet(Bank1),ImmArray(NodeId(1)),Some(VersionedValue(ValueVersion(6),ValueContractId(AbsoluteContractId(0065f8ddbafbbc0b2d7b6394ff8dbca0e83d111e6f3a8ec6ef677de3000f939f21)))),None), NodeId(1) -> NodeCreate(Some(Hash(89ae0238bc076b179aced331e1309efc04b51382c27c615b84f19ec956b94bf5)),AbsoluteContractId(0065f8ddbafbbc0b2d7b6394ff8dbca0e83d111e6f3a8ec6ef677de3000f939f21),ContractInst(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:PlaceBidBotTrigger,VersionedValue(ValueVersion(6),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:PlaceBidBotTrigger),ImmArray((Some(cashAssetId),ValueRecord(Some(af4883c0b0a58101f424e475221f905c7af77a363841054a36ccd9b34d0468aa:DA.Finance.Types:Id),ImmArray((Some(signatories),ValueRecord(Some(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0:DA.Next.Set:Set),ImmArray((Some(textMap),ValueTextMap(SortedLookupList((CentralBank,ValueUnit))))))),(Some(label),ValueText(USD)),(Some(version),ValueInt64(0))))),(Some(cashProvider),ValueParty(CentralBank)),(Some(bondProvider),ValueParty(CSD)),(Some(bidder),ValueParty(Bank1)),(Some(auctionAgent),ValueParty(AuctionAgent)),(Some(issuer),ValueParty(Issuer)),(Some(bidData),ValueRecord(Some(d20982a667182bce8eb61395fb1c30e5c8ad5f20af14ad518c4a58cccddde1a5:DA.RefApps.Bond.Auction:BidData),ImmArray((Some(price),ValueNumeric(42.0000000000)),(Some(quantity),ValueInt64(200000)),(Some(submissionTime),ValueTimestamp(2020-04-21T19:42:35.212276Z))))),(Some(auctionName),ValueText(testAuction)),(Some(bondAssetId),ValueRecord(Some(af4883c0b0a58101f424e475221f905c7af77a363841054a36ccd9b34d0468aa:DA.Finance.Types:Id),ImmArray((Some(signatories),ValueRecord(Some(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0:DA.Next.Set:Set),ImmArray((Some(textMap),ValueTextMap(SortedLookupList((CSD,ValueUnit))))))),(Some(label),ValueText(BOND-007)),(Some(version),ValueInt64(0))))),(Some(regulators),ValueList(FrontStack(ValueParty(Regulator))))))),),Some(Location(ed2beae6b3bc8a8804ef43a7add61c87689c18e7b4a2ed45ec2f866df40d16f0,DA.Internal.Prelude,$u002b$u002b,(380,25),(380,27))),TreeSet(AuctionAgent, Bank1),TreeSet(AuctionAgent, Bank1, Regulator),None)),ImmArray(NodeId(0))) is recreated
at com.digitalasset.refapps.bondissuance.BondIssuanceIT.testFullWorkflow(BondIssuanceIT.java:139)