Reports

I am beginning with Jupyter lab use and I have similar issue running on Windows (please see below).
May someone explain what does it means and how to fix it ?
C:\Users\paulb>jupyter lab
Fail to get yarn configuration. C:\Users\paulb\AppData\Local\Programs\Python\Python313\Lib\site-packages\jupyterlab\staging\yarn.js:4
(()=>{var Qge=Object.create;var AS=Object.defineProperty;var bge=Object.getOwnPropertyDescriptor;var Sge=Object.getOwnPropertyNames;var vge=Object.getPrototypeOf,xge=Object.prototype.hasOwnProperty;var J=(r=>typeof require<"u"?require:typeof Proxy<"u"?new Proxy(r,{get:(e,t)=>(typeof require<"u"?require:e)[t]}):r)(function(r){if(typeof require<"u")return require.apply(this,arguments);throw new Error('Dynamic require of "'+r+'" is not supported')});var Pge=(r,e)=>()=>(r&&(e=r(r=0)),e);var w=(r,e)=>()=>(e||r((e={exports:{}}).exports,e),e.exports),ut=(r,e)=>{for(var t in e)AS(r,t,{get:e[t],enumerable:!0})},Dge=(r,e,t,i)=>{if(e&&typeof e=="object"||typeof e=="function")for(let n of Sge(e))!xge.call(r,n)&&n!==t&&AS(r,n,{get:()=>e[n],enumerable:!(i=bge(e,n))||i.enumerable});return r};var Pe=(r,e,t)=>(t=r!=null?Qge(vge(r)):{},Dge(e||!r||!r.__esModule?AS(t,"default",{value:r,enumerable:!0}):t,r));var QK=w((GXe,BK)=>

SyntaxError: Unexpected token {
    at createScript (vm.js:56:10)
    at Object.runInThisContext (vm.js:97:10)
    at Module._compile (module.js:549:28)
    at Object.Module._extensions..js (module.js:586:10)
    at Module.load (module.js:494:32)
    at tryModuleLoad (module.js:453:12)
    at Function.Module._load (module.js:445:3)
    at Module.runMain (module.js:611:10)
    at run (bootstrap_node.js:387:7)
    at startup (bootstrap_node.js:153:9)

[W 2025-06-15 13:54:15.948 LabApp] Could not determine jupyterlab build status without nodejs
79666530
