Showing error whenever I try to add
ng add angular/fire@next
using CLI
Compiling @angular/fire : main as umd
Compiling @angular/fire : module as esm5
Compiling @angular/fire/auth : es2015 as esm2015
Compiling @angular/fire/auth : main as umd
Compiling @angular/fire/auth : module as esm5
Compiling @angular/fire/auth-guard : es2015 as esm2015
Compiling @angular/fire/auth-guard : main as umd
Compiling @angular/fire/auth-guard : module as esm5
Compiling @angular/fire/database : es2015 as esm2015
Compiling @angular/fire/database : main as umd
Compiling @angular/fire/database : module as esm5
Compiling @angular/fire/database-deprecated : es2015 as esm2015
Compiling @angular/fire/database-deprecated : main as umd
Error: Tried to overwrite E:/portfolio/node_modules/@angular/fire/bundles/database.umd.js.__ivy_ngcc_bak with an ngcc back up file, which is disallowed. at InPlaceFileWriter.writeFileAndBackup (E:\portfolio\node_modules@angular\compiler-cli\ngcc\src\writing\in_place_file_writer.js:36:23) at E:\portfolio\node_modules@angular\compiler-cli\ngcc\src\writing\in_place_file_writer.js:30:69 at Array.forEach () at InPlaceFileWriter.writeBundle (E:\portfolio\node_modules@angular\compiler-cli\ngcc\src\writing\in_place_file_writer.js:30:30) at E:\portfolio\node_modules@angular\compiler-cli\ngcc\src\main.js:103:36 at Array.forEach () at Object.mainNgcc (E:\portfolio\node_modules@angular\compiler-cli\ngcc\src\main.js:75:21) at E:\portfolio\node_modules@angular\compiler-cli\ngcc\main-ngcc.js:67:20 at Object.defineProperty.value (E:\portfolio\node_modules@angular\compiler-cli\ngcc\main-ngcc.js:4:17) at Object. (E:\portfolio\node_modules@angular\compiler-cli\ngcc\main-ngcc.js:10:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! portfolio@0.0.0 postinstall:
ivy-ngccnpm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the portfolio@0.0.0 postinstall 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\Bhautik\AppData\Roaming\npm-cache_logs\2019-06-20T13_49_06_035Z-debug.log
Package install failed, see above.
Here is my angular version
Node: 8.12.0
OS: win32 x64
Angular: 8.1.0-beta.0
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Package Version
-----------------------------------------------------------
@angular-devkit/architect 0.800.1
@angular-devkit/build-angular 0.800.1
@angular-devkit/build-optimizer 0.800.1
@angular-devkit/build-webpack 0.800.1
@angular-devkit/core 8.0.1
@angular-devkit/schematics 8.0.1
@angular/cli 8.0.1
@angular/fire 5.2.0-rc.3
@angular/pwa 0.800.3
@angular/service-worker 8.1.0-next.3
@ngtools/webpack 8.0.1
@schematics/angular 8.0.1
@schematics/update 0.800.1
rxjs 6.5.2
typescript 3.4.5
webpack 4.30.0