ERROR in node_modules/@angular/material/table/cell.d.ts -Typescript version problem angular

Im using angular in my project so I faced this issue I tried to downgrade my typscript to 3.9.7 but still not working here is my package.json dpendencies.

    "private": true,
  "dependencies": {
    "@angular-devkit/core": "^10.1.3",
    "@angular-devkit/schematics": "^10.1.3",
    "@angular-material-components/datetime-picker": "^4.0.2",
    "@angular/animations": "^10.1.3",
    "@angular/cdk": "^10.0.0",
    "@angular/common": "^10.1.3",
    "@angular/compiler": "~10.1.3",
    "@angular/core": "^10.1.3",
    "@angular/forms": "^10.1.3",
    "@angular/google-maps": "^10.0.1",
    "@angular/material": "^10.0.0",
    "@angular/platform-browser": "^10.1.3",
    "@angular/platform-browser-dynamic": "~10.1.3",
    "@angular/router": "^10.1.3",
    "@angular/typescript": "^2.0.0-5d0e199",
    "@auth0/angular-jwt": "^4.0.0",

can someone give me an idea to solve this issue

Answer

I removed material folder and I install npm install @angular/material@^10.1.3 and downgrade @angular/core to 10.1.3 I created new project with the latest version of angular and I copy the cell.d.ts file and paste it in my project & thats working now