[Fixed] NPM installation has failed (the dependency could not be resolved- peer)

Issue



npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: [email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/zone.js
npm ERR!   [email protected]"~0.8.26" from the root project
npm ERR!   peer [email protected]"~0.8.26" from @angular/[email protected]
npm ERR!   node_modules/@angular/core
npm ERR!     @angular/[email protected]"~7.2.0" from the root project
npm ERR!     peer @angular/[email protected]"^7.0.0 || ^8.0.0 || ^9.0.0 || ^10.0.0 || ^11.0.0" from [email protected]
npm ERR!     node_modules/primeng_latest
npm ERR!       [email protected]"npm:[email protected]^11.2.0" from the root project
npm ERR!     3 more (@angular/common, @angular/forms, @angular/platform-browser)
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer [email protected]"^0.10.2" from [email protected]
npm ERR! node_modules/primeng_latest
npm ERR!   [email protected]"npm:[email protected]^11.2.0" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps



**Dependencies in Package.json**
  "dependencies": 
    "@angular/compiler": "~7.2.0",
    "@angular/core": "~7.2.0",
    "@angular/forms": "~7.2.0",
    "@angular/http": "^7.2.4",
    "@angular/material": "^7.3.7",
    "@angular/router": "~7.2.0",
    "@types/d3": "^5.7.2",
    "bootstrap": "^4.4.1",
    "codemirror": "^5.58.2",
    "file-saver": "^2.0.0",
    "font-awesome": "^4.7.0",
    "highcharts": "^9.0.0",
    "material-design-icons": "^3.0.1",
    "moment": "^2.24.0",
    "ngx-spinner": "^7.2.0",
    "ngx-toastr": "^9.2.0",
    "primeicons": "^1.0.0",
    "primeng": "^7.0.5",
    "primeng_latest": "npm:[email protected]^11.2.0",
    "rxjs": "~6.3.3",
    "zone.js": "~0.8.26"
  

 

Solution

Looks like it’s a problem with Peer Dependencies try with

npm install --legacy-peer-deps.

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