lcd tx broadcast error

[wannabit-yongjoo]

Summary of Bug

broadcasting using lcd (/txs) sometimes gives error
only using "return" value is "block"..(sync, async looks ok)

adding - request undelegate from validator when unbonding is exsitng this error occur..
same as cli cmd

Steps to Reproduce

broadcating signed tx using lcd(/txs) with "return" mode is "block"
especially delegate/undelegate tx case are well happens
attaching logs.

{"codespace":"sdk","code":1,"message":"recovered: ERROR:\nCodespace: sdk\nCode: 11\nMessage: "334muon,0photino"\n\nstack:\ngoroutine 255 [running]:\nruntime/debug.Stack(0xc0056c3d90, 0xffa9a0, 0xc001b60540)\n\t/snap/go/3318/src/runtime/debug/stack.go:24 +0x9d\ngithub.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).runTx.func1(0xc0056c5c50, 0xc0056c5c78, 0xc0056c5db0)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:757 +0x90\npanic(0xffa9a0, 0xc001b60540)\n\t/snap/go/3318/src/runtime/panic.go:522 +0x1b5\ngithub.com/cosmos/cosmos-sdk/x/distribution/keeper.Hooks.BeforeDelegationSharesModified(0x135cce0, 0xc00001f2b0, 0xc00010a310, 0xc00010a310, 0x135cce0, 0xc00001f300, 0x135cd20, 0xc00001f310, 0xc00003d860, 0x5, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/distribution/keeper/hooks.go:87 +0x233\ngithub.com/cosmos/cosmos-sdk/cmd/gaia/app.StakingHooks.BeforeDelegationSharesModified(...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/cmd/gaia/app/app.go:374\ngithub.com/cosmos/cosmos-sdk/x/staking/keeper.Keeper.BeforeDelegationSharesModified(...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/staking/keeper/hooks.go:52\ngithub.com/cosmos/cosmos-sdk/x/staking/keeper.Keeper.unbond(0x135cce0, 0xc00001f280, 0x135cd20, 0xc00001f290, 0xc00010a310, 0x7f97c375b8a8, 0xc00000c780, 0x137a3c0, 0xc00049d9e0, 0xc00010a310, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/staking/keeper/delegation.go:500 +0xb21\ngithub.com/cosmos/cosmos-sdk/x/staking/keeper.Keeper.Undelegate(0x135cce0, 0xc00001f280, 0x135cd20, 0xc00001f290, 0xc00010a310, 0x7f97c375b8a8, 0xc00000c780, 0x137a3c0, 0xc00049d9e0, 0xc00010a310, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/staking/keeper/delegation.go:582 +0x1ed\ngithub.com/cosmos/cosmos-sdk/x/staking.handleMsgUndelegate(0x136aca0, 0xc00111cf90, 0xc0030f6b80, 0x14, 0xc001d974c0, 0x14, 0x14, 0xc001d97500, 0x14, 0x14, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/staking/handler.go:232 +0x147\ngithub.com/cosmos/cosmos-sdk/x/staking.NewHandler.func1(0x136aca0, 0xc00111cf90, 0xc0030f6b80, 0x14, 0x136e560, 0xc004671900, 0x0, 0x0, 0x0, 0x0, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/x/staking/handler.go:29 +0x7b5\ngithub.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).runMsgs(0xc00049f300, 0x136aca0, 0xc00111cf90, 0xc0030f6b80, 0x14, 0xc0060b3420, 0x1, 0x1, 0x136ac02, 0x0, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:653 +0xb4e\ngithub.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).runTx(0xc00049f300, 0x2, 0xc004a0efc0, 0xd5, 0xd5, 0x135f020, 0xc0047a5b00, 0x0, 0x0, 0x0, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:830 +0x375\ngithub.com/cosmos/cosmos-sdk/baseapp.(*BaseApp).DeliverTx(0xc00049f300, 0xc004a0efc0, 0xd5, 0xd5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/baseapp/baseapp.go:587 +0x2a0\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/abci/client.(*localClient).DeliverTxAsync(0xc000c645a0, 0xc004a0efc0, 0xd5, 0xd5, 0x0)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/abci/client/local_client.go:88 +0xc5\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/proxy.(*appConnConsensus).DeliverTxAsync(0xc00001fbd0, 0xc004a0efc0, 0xd5, 0xd5, 0xa)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/proxy/app_conn.go:73 +0x51\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state.execBlockOnProxyApp(0x136b7a0, 0xc0010c3780, 0x1374180, 0xc00001fbd0, 0xc004373c20, 0xc00668cea0, 0x137c240, 0xc000010b60, 0xc000aa5a80, 0xa, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state/execution.go:281 +0x5e2\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state.(*BlockExecutor).ApplyBlock(0xc000490770, 0xa, 0x0, 0xc000aa5a70, 0x6, 0xc000aa5a80, 0xa, 0x14160, 0x2775, 0xc00525c200, ...)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/state/execution.go:119 +0x1b5\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).finalizeCommit(0xc000bad500, 0x14161)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1327 +0x9be\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).tryFinalizeCommit(0xc000bad500, 0x14161)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1258 +0x3e0\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).enterCommit.func1(0xc000bad500, 0x0, 0x14161)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1204 +0x91\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).enterCommit(0xc000bad500, 0x14161, 0x0)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1235 +0x61e\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).addVote(0xc000bad500, 0xc007d3d680, 0xc00026df20, 0x28, 0x109, 0x109, 0x109)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1660 +0xaec\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).tryAddVote(0xc000bad500, 0xc007d3d680, 0xc00026df20, 0x28, 0x0, 0x109, 0x101)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:1506 +0x5c\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).handleMsg(0xc000bad500, 0x134ea60, 0xc00285c028, 0xc00026df20, 0x28)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:694 +0x6cc\ngithub.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).receiveRoutine(0xc000bad500, 0x0)\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:642 +0x695\ncreated by github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus.(*ConsensusState).OnStart\n\t/home/ubuntu/go/src/github.com/cosmos/cosmos-sdk/vendor/github.com/tendermint/tendermint/consensus/state.go:334 +0x13a\n"}

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[alexanderbez]

Thanks @wannabit-yongjoo. This is a duplicate of #3870