Not able to run ng serve

Expected behavior

Actual behavior

Resources (screenshots, code snippets etc.) Node packages may not be installed. Try installing with 'npm install'. Error: Could not find the '@angular-devkit/build-angular:dev-server' builder's node package. npm WARN using --force Recommended protections disabled. npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/common@10.2.5 npm WARN node_modules/@angular/common npm WARN @angular/common@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/common@"^6.0.0 || ^7.0.0 || ^8.0.0" from @agm/core@1.1.0 npm WARN node_modules/@agm/core npm WARN @agm/core@"^1.0.0" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/core@10.2.5 npm WARN node_modules/@angular/core npm WARN @angular/core@"^10.2.4" from the root project npm WARN 1 more (@angular/common) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/core@"^6.0.0 || ^7.0.0 || ^8.0.0" from @agm/core@1.1.0 npm WARN node_modules/@agm/core npm WARN @agm/core@"^1.0.0" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/animations@10.2.5 npm WARN node_modules/@angular/animations npm WARN @angular/animations@"^10.2.4" from the root project npm WARN 1 more (@angular/platform-browser) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/animations@"^8.0.0 || ^9.0.0-0" from @angular/material@8.2.3 npm WARN node_modules/@angular/material npm WARN @angular/material@"^8.2.3" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/cdk@10.2.7 npm WARN node_modules/@angular/cdk npm WARN @angular/cdk@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/cdk@"8.2.3" from @angular/material@8.2.3 npm WARN node_modules/@angular/material npm WARN @angular/material@"^8.2.3" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/core@10.2.5 npm WARN node_modules/@angular/core npm WARN @angular/core@"^10.2.4" from the root project npm WARN 1 more (@angular/common) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/core@"^8.0.0 || ^9.0.0-0" from @angular/material@8.2.3 npm WARN node_modules/@angular/material npm WARN @angular/material@"^8.2.3" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/common@10.2.5 npm WARN node_modules/@angular/common npm WARN @angular/common@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/common@"^8.0.0 || ^9.0.0-0" from @angular/material@8.2.3 npm WARN node_modules/@angular/material npm WARN @angular/material@"^8.2.3" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/forms@10.2.5 npm WARN node_modules/@angular/forms npm WARN @angular/forms@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/forms@"^8.0.0 || ^9.0.0-0" from @angular/material@8.2.3 npm WARN node_modules/@angular/material npm WARN @angular/material@"^8.2.3" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/common@10.2.5 npm WARN node_modules/@angular/common npm WARN @angular/common@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/common@"^8.0.0" from angular-bootstrap-md@8.10.1 npm WARN node_modules/angular-bootstrap-md npm WARN angular-bootstrap-md@"^8.4.0" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/core@10.2.5 npm WARN node_modules/@angular/core npm WARN @angular/core@"^10.2.4" from the root project npm WARN 1 more (@angular/common) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/core@"^8.0.0" from angular-bootstrap-md@8.10.1 npm WARN node_modules/angular-bootstrap-md npm WARN angular-bootstrap-md@"^8.4.0" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/compiler@10.2.5 npm WARN node_modules/@angular/compiler npm WARN @angular/compiler@"~10.2.4" from the root project npm WARN 3 more (@angular/compiler-cli, @angular/localize, @angular/platform-browser-dynamic) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/compiler@">=2.3.1 <10.0.0 || >9.0.0-beta <10.0.0 || >9.1.0-beta <10.0.0 || >9.2.0-beta <10.0.0" from codelyzer@5.2.2 npm WARN node_modules/codelyzer npm WARN dev codelyzer@"^5.1.2" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/core@10.2.5 npm WARN node_modules/@angular/core npm WARN @angular/core@"^10.2.4" from the root project npm WARN 1 more (@angular/common) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/core@">=2.3.1 <10.0.0 || >9.0.0-beta <10.0.0 || >9.1.0-beta <10.0.0 || >9.2.0-beta <10.0.0" from codelyzer@5.2.2 npm WARN node_modules/codelyzer npm WARN dev codelyzer@"^5.1.2" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: jasmine-core@3.4.0 npm WARN node_modules/jasmine-core npm WARN dev jasmine-core@"~3.4.0" from the root project npm WARN 1 more (karma-jasmine) npm WARN npm WARN Could not resolve dependency: npm WARN peer jasmine-core@">=3.8" from karma-jasmine-html-reporter@1.7.0 npm WARN node_modules/karma-jasmine-html-reporter npm WARN dev karma-jasmine-html-reporter@"^1.4.0" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/common@10.2.5 npm WARN node_modules/@angular/common npm WARN @angular/common@"^10.2.4" from the root project npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/common@"^11.0.0" from ngx-captcha@9.0.1 npm WARN node_modules/ngx-captcha npm WARN ngx-captcha@"^9.0.1" from the root project npm WARN ERESOLVE overriding peer dependency npm WARN Found: @angular/core@10.2.5 npm WARN node_modules/@angular/core npm WARN @angular/core@"^10.2.4" from the root project npm WARN 1 more (@angular/common) npm WARN npm WARN Could not resolve dependency: npm WARN peer @angular/core@"^11.0.0" from ngx-captcha@9.0.1 npm WARN node_modules/ngx-captcha npm WARN ngx-captcha@"^9.0.1" from the root project npm ERR! code 1 npm ERR! command failed npm ERR! command git checkout 10.1.1 npm ERR! error: pathspec '10.1.1' did not match any file(s) known to git npm ERR! A complete log of this run can be found in: