Build fails [node_modules/webpack-cli/bin/cli.js:231]

[mikeblackstock]

After 'npm install', and changing to installation directory, 'npm run build' gives:

osjs-ace-application/node_modules/webpack-cli/bin/cli.js:231:
Error: custom keyword definition is invalid: data/errors should be boolean

-M.
[Some day this old LAMP guy will know enough about npm, webpack etc. to just
send a PR with the fix. I'm catching on, though, steadily :) ]

[andersevenrud]

This is because an update of ajv broke webpack:

webpack/webpack#8768

[andersevenrud]

Seems to have been resolved in: ajv-validator/ajv#941

Try running npm update, then try again :)