ERR_SSL_PROTOCOL_ERROR in spfx workbench

Issue error on local workbaench:

This site can’t provide a secure connection localhost sent an invalid response.

Try running Windows Network Diagnostics.

ERR_SSL_PROTOCOL_ERROR

Solution:

1.Open package.json file

2. go to below section

before

  "scripts": {

    "build": "gulp bundle",

    "clean": "gulp clean",

    "test": "gulp test"

  }

and add "dev" : "set NODE_NO_HTTP2=1&& gulp serve",

after

  "scripts": {

    "build": "gulp bundle",

    "clean": "gulp clean",

    "test": "gulp test",

    "dev" : "set NODE_NO_HTTP2=1&& gulp serve"

  }

3.  Run "npm run dev" command in terminal or command window

4. if you  still face the issue then run command "gulp trust-dev-cert" then run "npm run dev" command