/*
Error: Undefined variable: "$line-height-computed".
        on line 8 of sass/bootstrap/panels.scss

3: // --------------------------------------------------
4: 
5: 
6: // Base class
7: .panel {
8:   margin-bottom: $line-height-computed;
9:   background-color: $panel-bg;
10:   border: 1px solid transparent;
11:   border-radius: $panel-border-radius;
12:   @include box-shadow(0 1px 1px rgba(0,0,0,.05));
13: }

Backtrace:
sass/bootstrap/panels.scss:8
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/script/tree/variable.rb:49:in `_perform'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/script/tree/node.rb:50:in `perform'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:384:in `visit_prop'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `block (2 levels) in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:420:in `block in visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:418:in `visit_rule'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `block in with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:115:in `with_frame'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/stack.rb:79:in `with_base'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:158:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `map'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:52:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:167:in `block in visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:179:in `with_environment'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:166:in `visit_children'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `block in visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:186:in `visit_root'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/base.rb:36:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:157:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/visitors/perform.rb:8:in `visit'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/root_node.rb:36:in `css_tree'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/tree/root_node.rb:29:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/engine.rb:368:in `_render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/engine.rb:285:in `render_with_sourcemap'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:489:in `update_stylesheet'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:215:in `block in update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:209:in `each'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:209:in `update_stylesheets'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin/compiler.rb:293:in `watch'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/plugin.rb:108:in `method_missing'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/sass_scss.rb:370:in `watch_or_update'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/sass_scss.rb:50:in `process_result'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/base.rb:52:in `parse'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/lib/sass/exec/base.rb:19:in `parse!'
/Library/Ruby/Gems/2.0.0/gems/sass-3.4.8/bin/sass:13:in `<top (required)>'
/usr/bin/sass:23:in `load'
/usr/bin/sass:23:in `<main>'
*/
body:before {
  white-space: pre;
  font-family: monospace;
  content: "Error: Undefined variable: \"$line-height-computed\".\A         on line 8 of sass/bootstrap/panels.scss\A \A 3: // --------------------------------------------------\A 4: \A 5: \A 6: // Base class\A 7: .panel {\A 8:   margin-bottom: $line-height-computed;\A 9:   background-color: $panel-bg;\A 10:   border: 1px solid transparent;\A 11:   border-radius: $panel-border-radius;\A 12:   @include box-shadow(0 1px 1px rgba(0,0,0,.05));\A 13: }"; }
