Javascript - A Error Connecting to my server

[frosty fog]

@little cove

JazzyQ Uploaded Some Code

When i try to make a call to my server, i keep getting "Network error." It was working perfectly before and for some reason it stop.

Uploaded these files to a Gist

CardList.js
server.js

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[little cove]

useEffect(()=>{
axios.get('http://localhost:3000/items')
.then(response => response.json())
.then(data =>{
setData(data);
}
).catch(error => {
console.log('Error',error)