$ ember serve node_modules appears empty, you may need to run `npm install`

$ ember serve node_modules appears empty, you may need to run npm install

tried changing the node,ember and cordova versions

$ npm install -g node-modules

$ npm install -g node-modules npm WARN deprecated node-uuid@1.4.8: Use uuid module instead npm WARN deprecated hawk@1.0.0: This module moved to @hapi/hawk. Please make sure to switch over as this distribution is no longer supported and may contain bugs and critical security issues. npm WARN deprecated sntp@0.2.4: This module moved to @hapi/sntp. Please make sure to switch over as this distribution is no longer supported and may contain bugs and critical security issues. npm WARN deprecated cryptiles@0.2.2: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial). npm WARN deprecated hoek@0.9.1: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial). npm WARN deprecated boom@0.4.2: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial). npm WARN deprecated object-keys@0.2.0: Please update to the latest object-keys C:\Users\vinod raj\AppData\Roaming\npm\node-modules -> C:\Users\vinod raj\AppData\Roaming\npm\node_modules\node-modules\app.js C:\Users\vinod raj\AppData\Roaming\npm `-- node-modules@1.0.1