org.eclipse.osbp.themes/scss/legacy/icons/fontello.css

/*
Error: Undefined variable: "$os-unit-size".
        on line 20 of C:\Eclipse\git\org.eclipse.osbp.vaadin.widgetset\org.eclipse.osbp.themes\scss\legacy\icons\fontello.scss

15: 	margin: 0;
16: 	margin-left: -0.3em;
17: }
18: 
19: [class^="icon-"] > span > .v-button-caption, [class^="icon-"] > .v-nativebutton-caption, [class*=" icon-"] > span > .v-button-caption, [class*=" icon-"] > .v-nativebutton-caption {
20: 	margin-left: $os-unit-size/2;
21: }
22: 
23: .icon-plus.v-nativebutton:before, .icon-plus > .v-button-wrap:before, .icon-plus.v-label:before, .v-menubar-menuitem-icon-plus:before { content: '\2b'; } 
24: .icon-minus.v-nativebutton:before, .icon-minus > .v-button-wrap:before, .icon-minus.v-label:before, .v-menubar-menuitem-icon-minus:before { content: '\2d'; } 
25: .icon-info.v-nativebutton:before, .icon-info > .v-button-wrap:before, .icon-info.v-label:before, .v-menubar-menuitem-icon-info:before { content: '\2139'; }

Backtrace:
C:\Eclipse\git\org.eclipse.osbp.vaadin.widgetset\org.eclipse.osbp.themes\scss\legacy\icons\fontello.scss:20
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/script/tree/variable.rb:49:in `_perform'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/script/tree/node.rb:50:in `perform'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/script/tree/operation.rb:64:in `_perform'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/script/tree/node.rb:50:in `perform'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:384:in `visit_prop'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:79:in `block in with_base'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:115:in `with_frame'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:79:in `with_base'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:158:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:420:in `block (2 levels) in visit_rule'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:420:in `map'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:420:in `block in visit_rule'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:418:in `visit_rule'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:79:in `block in with_base'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:115:in `with_frame'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/stack.rb:79:in `with_base'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:158:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:52:in `map'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:52:in `visit_children'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:167:in `block in visit_children'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:166:in `visit_children'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:36:in `block in visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:186:in `visit_root'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/base.rb:36:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:157:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/visitors/perform.rb:8:in `visit'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/root_node.rb:36:in `css_tree'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/tree/root_node.rb:29:in `render_with_sourcemap'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/engine.rb:368:in `_render_with_sourcemap'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/engine.rb:285:in `render_with_sourcemap'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/exec/sass_scss.rb:396:in `run'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/exec/sass_scss.rb:62:in `process_result'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/exec/base.rb:52:in `parse'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/lib/sass/exec/base.rb:19:in `parse!'
C:/Program Files (x86)/Koala/rubygems/gems/sass-3.4.9/bin/sass:13:in `<top (required)>'
C:/Program Files (x86)/Koala/bin/sass:18:in `load'
C:/Program Files (x86)/Koala/bin/sass:18:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined variable: \"$os-unit-size\".\A         on line 20 of C:\Eclipse\git\org.eclipse.osbp.vaadin.widgetset\org.eclipse.osbp.themes\scss\legacy\icons\fontello.scss\A \A 15: 	margin: 0;\A 16: 	margin-left: -0.3em;\A 17: }\A 18: \A 19: [class^=\"icon-\"] > span > .v-button-caption, [class^=\"icon-\"] > .v-nativebutton-caption, [class*=\" icon-\"] > span > .v-button-caption, [class*=\" icon-\"] > .v-nativebutton-caption {\A 20: 	margin-left: $os-unit-size/2;\A 21: }\A 22: \A 23: .icon-plus.v-nativebutton:before, .icon-plus > .v-button-wrap:before, .icon-plus.v-label:before, .v-menubar-menuitem-icon-plus:before { content: '\2b'; } \A 24: .icon-minus.v-nativebutton:before, .icon-minus > .v-button-wrap:before, .icon-minus.v-label:before, .v-menubar-menuitem-icon-minus:before { content: '\2d'; } \A 25: .icon-info.v-nativebutton:before, .icon-info > .v-button-wrap:before, .icon-info.v-label:before, .v-menubar-menuitem-icon-info:before { content: '\2139'; }"; }