Why I'm not able to run my Application server using "npm start" command and getting the error message related to start script.I am using Ubuntu OS

I am making a PERN stack(PostgreSQL, Express,React.JS,Node.JS) application. I downloaded the file from github repo, opened it in VS code and tried to run the server using the following command.
Command:
npm start

But I am getting this error message
Error:
Missing script: "start"
And when I saw the list of scripts using the command of "npm run"
I got this error message
Error:
echo "Error: no test specified" && exit 1

Here is the screenshot of the error

In your case the command to start the server is:

node index

or

node index.js

Before this install node modules via:

npm install

It will be good if you send Packege.json file Screen shot because script is mention there.

you try npm run start
Make sure first try npm init
npm install
node index.js

I recommend you to run the npm install command. However, if you have already done so, you can verify if the npm command you are trying to run is listed in the package.json file.

ensure that you have the correct dependencies and versions specified in the file as well.

The error indicates that the script required to spin up the server is missing in the package.json. When you do npm start you are basically trying to run the script defined in package.json with the name start. Open your package json and search for scripts where in you should find the start script and see if its missing. You can then find what the issue is.

Make sure the package.json was created through npm init so it has the script. Sometimes scripts also have names like run so in that case you can spin up the server using npm run.

An alternative approach to run would be using node and the file you want to run. Like say, node index.js.

If you need further help then please share your package.json.

As per my understanding, the error message here indicates that the script required to start the server is not present in the package.json file. When you execute npm start, it attempts to run the script defined in the package.json. To fix this issue, open package.json and look for the scripts section to find the start script. See if it is present or correctly defined.

I hope this would help.

It seems like you're facing an issue running your application server using the npm start command, and you suspect that there might be no "start" script defined in your project's package.json file. Here's how you can address this issue:

Open your project's root directory where the package.json file is located.

Look for the "scripts" section in the package.json file. It should look something like this:

"scripts": {
  "test": "jest",
  "start": "nodemon index.js" 
}

Also, just make sure that you have installed the nodemon package as well.

The error points to the absence of the script required to start the server in the package.json file. When executing "npm start," you are essentially attempting to run the script named "start" as defined in package.json. To resolve this issue, open your package.json file, search for the "scripts" section, and ensure that the "start" script is present. If it is missing, that may be the cause of the problem. Examine the script and identify any issues.
Make sure that the package.json file was created using "npm init" to include the necessary script. Sometimes, scripts might be named differently, such as "run." In such cases, you can start the server using "npm run" followed by the script name.

The error indicates that start script is not defined in the package.json file. To resolve it, make sure it is present there. Open the package.json file and look for scripts.

After that, try running npm start again, and it should start your application successfully.

You can look in the package.json file and make sure that the start script is present there.

The start script does not seem to be present in the package.json file. The package.json file should be something like this

  {"name": "pern-stack-app",
  "version": "1.0.0",
  "description": "A PERN stack application",
  "main": "index.js",
   .... and so on 
  }

There will be a scripts section there and you need to make sure start is defined there, for example

  "scripts": {
    "start": "node index.js",
    "client": "cd client && npm start",
    "server": "nodemon index.js",
    "dev": "concurrently \"npm run server\" \"npm run client\""
  },

Start script is not defined in the package.json file, To fix this issue, ensure that the "start" script is included in the package.json file under the "scripts" section.
Execute "npm start" again.