Transaction errors: ValueNotConservedUTxO

Problem: ValueNotConservedUTxO

$ cardano-cli shelley transaction submit \
> --tx-file tx001.signed \
> --testnet-magic 42

ApplyTxError [LedgerFailure (UtxowFailure (UtxoFailure 
(FeeTooSmallUTxO (Coin 172409) (Coin 167965)))),LedgerFailure 
(UtxowFailure (UtxoFailure (ValueNotConservedUTxO (Coin 1000000000) 
(Coin 999999998))))]

Diagnostic:

Value not Conserved: (Input UTXO ≠ Fee + Amount sent + Change)

Solution: Check that Input amounts = Output amounts