[solved] [odoo-9] : Which lib is missing to resolve this error?

Question

Hi All,
When I  started new instance on my local system with v9.
I have created new database.
Database successfully created but after logged inside database Got this error.
*"could not execute command lessc"*
How to resolve this issue?
I would suppose to upload screen shot, but somehow I am not able to upload it. may be some issue to upload any picture here.
*Error traceback:*
This error occured while compiling the bundle 'web.assets_backend' containing:
- /website/static/src/less/import_bootstr

Anil Kesariya · Accepted Answer

Hi All,
I have fixed my clean-css issue.
clean-css was not interpreated thats why all the .less file was not loaded properly.
After execution of this command now its works well.
npm install -g less-plugin-clean-css
I have setup that plugin as global and now its works perfect in my system.
Rgds,
Anil.

Yenthe Van Ginneken (Mainframe Monkey) · Answer

Hi Anil,
You're missing the node-less library. The fixes:
sudo apt-get install node-clean-css
sudo apt-get install node-less
This will install both the node-less JS library and the CSS rendering which Odoo 9 needs.
Yenthe

Gajanan Kathar · Answer

This error shows because of two reasons
You don't install required packages and plug-ins on your ubuntu system or
Install packages and plug-ins are outdated
To overcome this problem try this commands on your ubuntu terminal   sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_0.10 | sudo bash -
sudo apt-get install -y nodejs
sudo npm install -g npm (to update npm)
sudo npm install -g less less-plugin-clean-css

Mustafa Babiker El-Siddig Mustafa Hamad · Answer

Answer by Gajanan Kathar was useful but need to set npm registry before update, i.e. execute following command just before bullet point 4.
npm config set registry http://registry.npmjs.org/

Ludovic CHEVALIER · Answer

Sure you have to install some package like this:
sudo apt-get install node-clean-css
sudo apt-get install node-less
But, according to this comment in a bug report, you have to install website_blog module too: https://github.com/odoo/odoo/issues/8676#issuecomment-142604714
It works for me.

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To overcome this problem try this commands on your ubuntu terminal

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