Hello,

I am trying to install Odoo 11 on Windows 10 from GitHub. After the installation, I encountered the following error:

Style error
The style compilation failed, see the error below. Your recent actions may be the cause, please try reverting the changes you made.
(b'', b'The "--no-js" argument is deprecated, as inline JavaScript is disabled by default. Use "--js" to enable inline JavaScript (not recommended).
ArgumentError: Error evaluating function `floor`: argument must be a number in - on line 3158, column 17:
3157         height: @planner-height;
3158         margin: floor((@odoo-navbar-height - @planner-height)/2) 10px 0;
3159         cursor: pointer;

')This error occured while compiling the bundle 'web.assets_common' containing:
    - /web/static/lib/bootstrap/less/variables.less
    - /web/static/lib/bootstrap/less/mixins/vendor-prefixes.less
    - /web/static/lib/bootstrap/less/mixins/buttons.less
    - /web/static/lib/bootstrap/less/mixins/clearfix.less
    - /web/static/lib/bootstrap/less/mixins/size.less
    - /web/static/src/less/variables.less
    - /web/static/src/less/utils.less
    - /web_editor/static/src/less/web_editor.variables.less
    - /web/static/lib/bootstrap-datetimepicker/src/less/_bootstrap-datetimepicker.less
    - /web/static/src/less/fonts.less
    - /web/static/src/less/navbar.less
    - /web/static/src/less/mimetypes.less
    - /web/static/src/less/modal.less
    - /web/static/src/less/animation.less
    - /web/static/src/less/rainbow.less
    - /web/static/src/less/datepicker.less
    - /web_planner/static/src/less/web_planner_common.less
    - /web_tour/static/src/less/tip.less
    - /web_tour/static/src/less/keyframes.less