Проблема ошибка

не знаю почему выдаёт такую ошибку может кто помочь

npx: installed 8 in 2.841s
C:\Users\балензи\Desktop\xsulive rp\xclusive_server\node_modules\parcel\lib\cli.js:193
previousValue[name] = featureFlagValue ?? String(val);
^

SyntaxError: Unexpected token '?'
at wrapSafe (internal/modules/cjs/loader.js:915:16)
at Module._compile (internal/modules/cjs/loader.js:963:27)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:74:18)
at Object.<anonymous> (C:\Users\балензи\Desktop\xsulive rp\xclusive_server\node_modules\parcel\lib\bin.js:4:1)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! onyx@0.0.1 build:cef: npx cross-env NODE_ENV=production del-cli --force client_packages/cef && parcel build ./src/cef/index.html --out-dir client_packages/cef --target browser --no-source-maps --public-url ./
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the onyx@0.0.1 build:cef script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\балензи\AppData\Roaming\npm-cache\_logs\2025-12-08T11_33_00_574Z-debug.log