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`npm version patch` command failing

I am trying to patch a version of my Angular project using the command - npm version patch but getting an error -

$ npm version patch npm ERR! npm version [<newversion> | major | minor | patch | premajor | preminor | prepatch | prerelease [--preid=<prerelease-id>] | from-git] npm ERR! (run in package dir) npm ERR! 'npm -v' or 'npm --version' to print npm version (6.4.0) npm ERR! 'npm view <pkg> version' to view a package's published version npm ERR! 'npm ls' to inspect current package/dependency versions

The same command used to work fine earlier and suddenly stopped working. my npm version is 6.4.0.

Solution

  • I was able to resolve the error by myself. The error was that the patch version was written as 01. i.e. 2018.11.01 instead of 2018.11.1. npm version patch failed without an explanatory message.