title_body: Run cardano-node 1.27.0 testnet error, adaPerUTxOWord not found on testnet-shelley-genesis.json cardano-node  run --database-path ~/cnode-testnet/db --socket-path ~/cnode-testnet/sockets/node.socket --port 3001 --config ~/cnode-testnet/config/testnet-config.json  --topology ~/cnode-testnet/config/testnet-topology.json
  
  
  Error decoding genesis at: /home/qi.mou/cnode-testnet/config/testnet-shelley-genesis.json Error: Error in $: key &quot;adaPerUTxOWord&quot; not found
  
  cardano-node --version
  cardano-node 1.27.0 - linux-x86_64 - ghc-8.10
  git rev 17096c3fe7a52264906ff92ed245ded2344b3d00
  
  after I add &quot;adaPerUTxOWord&quot;:0 to testnet-shelley-genesis.json, it still doesn't work.
upvoted_answer: Make sure you download official genesis file from the build system of cardano-node.