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I am trying to install ngx-doc-viewer in angular 9 project. But it throws some error, here I have attached the error. Anyone faced this issues?
or

Suggest me any other document viewer using angular 9

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: app@0.0.147
npm ERR! Found: @angular/common@9.0.7
npm ERR! node_modules/@angular/common
npm ERR!   @angular/common@"~9.0.7" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer @angular/common@"^11.2.0" from ngx-doc-viewer@2.0.2
npm ERR! node_modules/ngx-doc-viewer
npm ERR!   ngx-doc-viewer@"*" 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
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
perumal N
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1 Answers1

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You have a dependency conflict (incorrect and potentially broken dependency).

Try to to run the npm install command with --force, or --legacy-peer-deps.

OR:

Workaround is to use the --force flag when running ng update [package] to override the dependency issues.

ng update ngx-doc-viewer --next --force
Filip Huhta
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    Thanks for the response, But it is working now once downgrade my nodejs version from version-15.0.1 to version-12.11.1 – perumal N May 11 '21 at 06:02