I created a project a while back and tried running it recently and got an error from expo saying that my SDK version is not up to date. So I followed this answer ([The experience you requested uses Expo SDK v(null), but this copy of Expo Client requires at least v23.0.0](https://stackoverflow.com/questions/52287710/the-experience-you-requested-uses-expo-sdk-vnull-but-this-copy-of-expo-client)) to fix it. However now I'm running into a new error where my project cannot run and I get this error:

> 
> Could no connect to development server
> 
> 
> 

What can I do to fix this? I don't want to try a hundred different solutions and accidentally lose my project forever and have to start over, so I figured I'd ask on here.

Here is my `package.json`:

```
{
  "main": "node_modules/expo/AppEntry.js",
  "scripts": {
    "start": "expo start",
    "android": "expo start --android",
    "ios": "expo start --ios",
    "eject": "expo eject"
  },
  "dependencies": {
    "axios": "^0.19.0",
    "expo": "^33.0.0",
    "firebase": "^6.5.0",
    "formik": "^1.5.8",
    "global": "^4.4.0",
    "native-base": "^2.12.1",
    "react": "16.5.0",
    "react-native": "https://github.com/expo/react-native/archive/sdk-33.0.0.tar.gz",
    "react-native-elements": "^0.18.5",
    "react-native-keyboard-aware-scroll-view": "^0.9.1",
    "react-native-modal": "^11.3.1",
    "react-native-paper": "^2.16.0",
    "react-native-smart-carousel": "^1.1.0",
    "react-native-snap-carousel": "3.6.0",
    "react-native-vector-icons": "^6.6.0",
    "react-navigation": "^3.11.0",
    "styled-components": "^4.2.0",
    "truffle": "^5.0.34",
    "uuid": "^3.3.3",
    "web3": "0.19"
  },
  "devDependencies": {
    "babel-preset-expo": "^5.0.0"
  },
  "private": true
}

```

I ran `expo-cli --version` in my terminal and this is what I received:

```sh
3.0.4

```

Thank you