Visual Studio Code on win7 reports error: (node:6732) UnhandledPromiseRejectionWarnin

Visual Studio Code on win7 reports error: (node:6732) UnhandledPromiseRejectionWarning ?
Installing Visual Studio Code on win7 64bit when running the application gives the following error:
Windows PowerShell
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PS E:\abc_ReactNative\blank> npm start

> [email protected] start E:\abc_ReactNative\blank
> expo start

(node:6732) UnhandledPromiseRejectionWarning: E:\abc_ReactNative\blank\node_modules\@expo\package-manager\build\ios\CocoaPodsPackageManager.js:81
console.log(chalk_1.default.red(error.stderr ?? error.message));
^

SyntaxError: Unexpected token '?'
at Object.compileFunction (vm.js:344:18)
at wrapSafe (internal/modules/cjs/loader.js:1048:15)
at Module._compile (internal/modules/cjs/loader.js:1082:27)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1138:10)
at Module.load (internal/modules/cjs/loader.js:982:32)
at Function.Module._load (internal/modules/cjs/loader.js:875:14)
at Module.require (internal/modules/cjs/loader.js:1022:19)
at require (internal/modules/cjs/helpers.js:72:18)
at Object.<anonymous> (E:\abc_ReactNative\blank\node_modules\@expo\package-manager\build\index.js:19:14)
at Module._compile (internal/modules/cjs/loader.js:1118:30)
(Use `node --trace-warnings ...` to show where the warnings were created)
(node:6732) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originates
Either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_...ejections_mode). (rejection id: 1)
(node:6732) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.