[hosted-plugin: 20052] (node:20052) UnhandledPromiseRejectionWarning:                                                                                                                                                              Error: The command 'workbench.view.explorer' cannot be executed. There are no a                                                                                                                                                             ctive handlers available for the command. (args: [{"_isCancelled":false}])
    at CommandRegistry.<anonymous> (http://127.0.0.1:4949/bundle.js:97680:31                                                                                                                                                             )
    at step (http://127.0.0.1:4949/bundle.js:97487:23)
    at Object.next (http://127.0.0.1:4949/bundle.js:97468:53)
    at http://127.0.0.1:4949/bundle.js:97462:71
    at new Promise (<anonymous>)
    at ../../packages/core/lib/common/command.js.__awaiter (http://127.0.0.1                                                                                                                                                             :4949/bundle.js:97458:12)
    at CommandRegistry.../../packages/core/lib/common/command.js.CommandRegistry                                                                                                                                                             .executeCommand (http://127.0.0.1:4949/bundle.js:97667:16)
    at CommandRegistryMainImpl.push.../../packages/plugin-ext/lib/main/browser/c                                                                                                                                                             ommand-registry-main.js.CommandRegistryMainImpl.$executeCommand (http://127.0.0.1:4949/82.bundle.js:4661:72)
    at RPCProtocolImpl.push.../../packages/plugin-ext/lib/api/rpc-protocol.js.RP                                                                                                                                                             CProtocolImpl.doInvokeHandler (http://127.0.0.1:4949/82.bundle.js:861:23)
    at RPCProtocolImpl.push.../../packages/plugin-ext/lib/api/rpc-protocol.js.RP                                                                                                                                                             CProtocolImpl.invokeHandler (http://127.0.0.1:4949/82.bundle.js:846:41)
(node:20052) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This                                                                                                                                                              error originated either by throwing inside of an async function without a catch                                                                                                                                                              block, or by rejecting a promise which was not handled with .catch(). (rejectio                                                                                                                                                             n id: 33)