SPFX webpart created successfully but when I run gulp serve command I get error.
Error : [serve] The api entry could not be loaded: node_modules/@microsoft/sp-webpart-workbench/lib/api/
-- Node.js command prompt out put
[12:19:56] Starting subtask 'write-manifests'...
[12:19:56] Finished subtask 'write-manifests' after 334 ms
[12:19:56] Starting subtask 'serve'...
[12:19:57] Error - [serve] The api entry could not be loaded: node_modules/@microsoft/sp-webpart-workbench/lib/api/
[12:19:57] Finished subtask 'serve' after 409 ms
[12:19:57] Finished 'serve' after 5.66 s
[12:19:57] Server started https://localhost:4321
[12:19:57] LiveReload started on port 35729
[12:19:57] Opening https://localhost:5432/workbench using the default OS app
[12:19:57] ==================[ Finished ]==================
Error - [serve] The api entry could not be loaded: node_modules/@microsoft/sp-webpart-workbench/lib/api/
[12:19:58] Project test version: 0.0.1
[12:19:58] Build tools version: 2.5.3
[12:19:58] Node version: v6.11.0
[12:19:58] Total duration: 8.68 s
[12:19:58] Task errors: 1
