与这里提出的其他一些问题类似，只是我以前成功地使用了Compass和Singularity，并且我正在使用Bundler。
这是我从指南针手表得到的错误：
LoadError on line ["179"] of /Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-core-1.0.1/lib/compass/configuration/data.rb: cannot load such file -- singularity
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-core-1.0.1/lib/compass/configuration/data.rb:179:in `require'
/Users/danmoriarty/Sites/gitrepos/cob-omega/config.rb:28:in `get_binding'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/serialization.rb:24:in `eval'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/serialization.rb:24:in `parse_string'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/serialization.rb:15:in `block in _parse'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/serialization.rb:14:in `open'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/serialization.rb:14:in `_parse'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/file_data.rb:7:in `block in new_from_file'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-core-1.0.1/lib/compass/configuration/inheritance.rb:207:in `with_defaults'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/file_data.rb:6:in `new_from_file'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/helpers.rb:19:in `configuration_for'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/configuration/helpers.rb:69:in `add_project_configuration'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/commands/project_base.rb:37:in `add_project_configuration'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/commands/project_base.rb:25:in `configure!'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/commands/project_base.rb:15:in `initialize'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/commands/update_project.rb:41:in `initialize'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/exec/sub_command_ui.rb:42:in `new'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/exec/sub_command_ui.rb:42:in `perform!'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/lib/compass/exec/sub_command_ui.rb:15:in `run!'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/bin/compass:30:in `block in <top (required)>'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/bin/compass:44:in `call'
/Users/danmoriarty/Sites/gitrepos/cob-omega/vendor/ruby/2.0.0/gems/compass-1.0.1/bin/compass:44:in `<top (required)>'
/Users/danmoriarty/.rvm/gems/ruby-2.0.0-p451/bin/compass:23:in `load'
/Users/danmoriarty/.rvm/gems/ruby-2.0.0-p451/bin/compass:23:in `<main>'
/Users/danmoriarty/.rvm/gems/ruby-2.0.0-p451/bin/ruby_executable_hooks:15:in `eval'
/Users/danmoriarty/.rvm/gems/ruby-2.0.0-p451/bin/ruby_executable_hooks:15:in `<main>'
这是我的Gemfile:
gem 'sass' # Sass.
gem 'sass-globbing' # Import Sass files based on globbing pattern.
gem 'compass' # Framework built on Sass.
gem 'compass-validator' # So you can `compass validate`.
gem 'compass-normalize' # Compass version of normalize.css.
gem 'compass-rgbapng' # Turns rgba() into .png's for backwards compatibility.
gem 'singularitygs', '~>1.2' # Alternative to the Susy grid framework.
gem 'toolkit' # Compass utility from the fabulous Snugug.
gem 'breakpoint' # Manages CSS media queries.
gem 'oily_png' # Faster Compass sprite generation.
gem 'css_parser' # Helps `compass stats` output statistics.
从我的config.rb文件：
# Require any additional compass plugins installed on your system.
require 'compass-normalize'
require 'rgbapng'
require 'toolkit'
require 'singularity'
require 'sass-globbing'
我的Gemlock文件：
GEM
remote: https://rubygems.org/
specs:
addressable (2.3.6)
breakpoint (2.5.0)
sass (~> 3.3)
sassy-maps (< 1.0.0)
celluloid (0.15.2)
timers (~> 1.1.0)
celluloid-io (0.15.0)
celluloid (>= 0.15.0)
nio4r (>= 0.5.0)
chunky_png (1.3.1)
coderay (1.1.0)
color-schemer (0.2.8)
compass-blend-modes (~> 0.0.2)
compass (1.0.1)
chunky_png (~> 1.2)
compass-core (~> 1.0.1)
compass-import-once (~> 1.0.5)
rb-fsevent (>= 0.9.3)
rb-inotify (>= 0.9)
sass (>= 3.3.13, < 3.5)
compass-blend-modes (0.0.2)
compass
compass-core (1.0.1)
multi_json (~> 1.0)
sass (>= 3.3.0, < 3.5)
compass-import-once (1.0.5)
sass (>= 3.2, < 3.5)
compass-normalize (1.5)
compass (>= 0.12.0)
compass-rgbapng (0.2.1)
chunky_png (>= 0.8.0)
compass (>= 0.10.0)
compass-validator (3.0.1)
css_parser (1.3.5)
addressable
em-websocket (0.5.1)
eventmachine (>= 0.12.9)
http_parser.rb (~> 0.6.0)
eventmachine (1.0.3)
ffi (1.9.3)
formatador (0.2.4)
guard (2.6.0)
formatador (>= 0.2.4)
listen (~> 2.7)
lumberjack (~> 1.0)
pry (>= 0.9.12)
thor (>= 0.18.1)
guard-compass (1.1.0)
compass (>= 0.10.5)
guard (~> 2.0)
guard-livereload (2.1.2)
em-websocket (~> 0.5)
guard (~> 2.0)
multi_json (~> 1.8)
guard-shell (0.6.1)
guard (>= 1.1.0)
http_parser.rb (0.6.0)
listen (2.7.3)
celluloid (>= 0.15.2)
celluloid-io (>= 0.15.0)
rb-fsevent (>= 0.9.3)
rb-inotify (>= 0.9)
lumberjack (1.0.5)
method_source (0.8.2)
multi_json (1.9.3)
nio4r (1.0.0)
oily_png (1.1.1)
chunky_png (~> 1.3.0)
pry (0.9.12.6)
coderay (~> 1.0)
method_source (~> 0.8)
slop (~> 3.4)
rb-fchange (0.0.6)
ffi
rb-fsevent (0.9.4)
rb-inotify (0.9.4)
ffi (>= 0.5.0)
sass (3.4.2)
sass-globbing (1.1.0)
sass (>= 3.1)
sassy-maps (0.4.0)
sass (~> 3.3)
sassy-strings (1.0.0)
compass (>= 0.12.2)
singularitygs (1.4.0)
breakpoint (~> 2.4)
sass (~> 3.3)
slop (3.5.0)
thor (0.19.1)
timers (1.1.0)
toolkit (1.3.8)
breakpoint (>= 2.0.6)
color-schemer (>= 0.2.7)
compass (>= 0.12.2)
sassy-strings (>= 1.0.0)
singularitygs (>= 1.1.2)
yajl-ruby (1.2.0)
PLATFORMS
ruby
DEPENDENCIES
breakpoint
compass
compass-normalize
compass-rgbapng
compass-validator
css_parser
guard
guard-compass
guard-livereload
guard-shell
oily_png
rb-fchange
rb-fsevent
rb-inotify (~> 0.9)
sass
sass-globbing
singularitygs (~> 1.2)
toolkit
yajl-ruby
如安装说明中所述，您需要require 'singularitygs'，而不仅仅是'singularity'。与导入相同