Hi , 

I keep receiving the following error when loading the odoo . 

I've tried a couple of your solutions on the forum but none seem to have done the trick 

Server: ubuntu LTS 16.04 

Odoo V10 

2017-05-22 14:12:38,890 7015 WARNING odoo.addons.base.ir.ir_qweb.assetsbundle: NameError: variable @odoo-brand-optional is undefined in - on line 1500, column 24:

1499 @-webkit-keyframes inputHighlighter {

1500 from { background: @odoo-brand-optional; }

1501 to { width: 0; background: transparent; }

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_enterprise/static/src/less/variables.less

    - /web/static/src/less/utils.less

    - /web_editor/static/src/less/web_editor.variables.less

    - /web/static/src/less/fonts.less

    - /web/static/src/less/navbar.less

    - /web/static/src/less/mimetypes.less

    - /web/static/src/less/animation.less

    - /web/static/lib/bootstrap-datetimepicker/src/less/bootstrap-datetimepicker.less

    - /web_planner/static/src/less/web_planner_common.less

    - /web_tour/static/src/less/tip.less

    - /web_tour/static/src/less/keyframes.less

    - /web_enterprise/static/src/less/fonts.less

    - /web_enterprise/static/src/less/navbar.less 2017-05-22 14:12:38,914 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:38,930 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:38,931 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:38,942 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:38,943 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:38,945 7015 WARNING Dice odoo.modules.module: module web_enterprise: module not found 2017-05-22 14:12:39,404 7015 WARNING Dice odoo.addons.base.ir.ir_qweb.assetsbundle: NameError: variable @odoo-brand-optional is undefined in - on line 1500, column 24:

1499 @-webkit-keyframes inputHighlighter {

1500 from { background: @odoo-brand-optional; }

1501 to { width: 0; background: transparent; }

This error occured while compiling the bundle 'web.assets_frontend' 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_enterprise/static/src/less/variables.less

    - /web/static/src/less/utils.less

    - /web_editor/static/src/less/web_editor.variables.less

    - /web/static/src/less/import_bootstrap.less

    - /web_editor/static/src/less/web_editor.common.less