===== Troubleshooting =====

==== npm error code EBADENGINE ====

=== Description ===

Using npm fails with the error "error code EBADENGINE"
<code>
error code EBADENGINE
error engine Unsupported engine
error engine Not compatible with your version of node/npm: example@1.2.3
error notsup Not compatible with your version of node/npm: example@1.2.3
error notsup Required: {"node":">=16"}
error notsup Actual:   {"npm":"8.19.2","node":"v12.19.0"}
</code>

=== Reason === 

Your node engine is lower than the required one (12<16)

=== Fix === 

Install the required engine (16 or higher)
<code>
nvm install 16
nvm use 16
</code>

Source [[https://stackoverflow.com/questions/70269056/cause-of-npm-warn-ebadengine|Stackoverflow.com - Cause of npm WARN EBADENGINE]]

==== fsevents not accessible ====

=== Description ===

Using npm fails with the error "fsevents not accessible" or "failed optional dependency /example-master/node_modules/fsevents"

=== Reason === 

The dependency of this module should be optional

=== Fix === 

Make fsevents optional
<code>
npm i fsevents@latest -f --save-optional
</code>

Source [[https://stackoverflow.com/questions/68021121/fsevents-not-accessible-from-jest-haste-map|Stackoverflow.com - fsevents not accessible]]

==== webpack is missing ====

=== Description ===

Using npm fails because webpack is missing

=== Reason === 

Webpack is missing

=== Fix === 

Install webpack
<code>
npm install -S webpack
</code>

Source [[https://stackoverflow.com/questions/38788166/webpack-command-not-working|Stackoverflow.com - webpack command not found]]