Failed to connect to development server using "adb reverse": spawnSync adb ENOENT

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My ReactNative application is running fine on Iphone simulator but when I tried to run it on my android mobile device via USB,it's throwing me this error.

        > Task :app:installDebug
    Installing APK 'app-debug.apk' on 'SM-N770F - 10' for app:debug
    Installed on 1 device.
    
    Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
    Use '--warning-mode all' to show the individual deprecation warnings.
    See https://docs.gradle.org/6.3/userguide/command_line_interface.html#sec:command_line_warnings
    
    BUILD SUCCESSFUL in 2m 17s
    227 actionable tasks: 227 executed
    info Connecting to the development server...
    warn Failed to connect to development server using "adb reverse": spawnSync adb ENOENT
    info Starting the app...
    error Failed to start the app. Run CLI with --verbose flag for more details.

I have the environment variable setup and its working fine. In terminal, my adb devices are being listed successfully. Thanks in advance. Edit: The application is installed in the device but it doesnt open upon installation plus its not reflecting the changes that I am doing. I can see the changes on emulator though

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Kylo Ren On

So when I tried to create an apk and test the application, it showed me multiple errors after the apk build was successful. In my case it were these : “Cannot fit requested classes in a single dex file” AsyncStorage is null iOS

So after applying the solution, the apk was generated successfully and when I tried to run application via USB,it worked fine.