如何解决这个问题；Sass:：SyntaxError:无效CSS“；Liferay 6.2中的错误？

我正在使用EclipseKepler-4.3和Liferay 6.2CEGA5

我尝试部署主题，但出现以下错误：

[echo]加载jar:file:/D:/FormationJEE/Liferay/LiferayGA5/tomcat/Liferay-portal-6.2-ce-ga5/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar/系统属性
[echo]加载jar:file:/D:/FormationJEE/Liferay/LiferayGA5/tomcat/Liferay-portal-6.2-ce-ga5/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar/portal.properties
[echo]Sass:：SyntaxError:在“…ow-x:hidden\0/”之后的CSS无效：预期表达式（例如1px，粗体）为”
[echo]应为C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:1147
[回声]期待！在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/lexer.rb:199
[echo]assert_expr位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:471
[echo]times_div_或_mod at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:233
[echo]在C处加或减：/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:225
[echo]relational at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:225
[echo]eq_或neq at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:225
[echo]和_expr在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:225
[echo]或_expr在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:225
[echo]C处的空格：/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:298
[echo]expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:246
[echo]发送到org/jruby/RubyKernel.java:2093
[echo]assert_expr位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:470
[echo]在C处解析：/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/script/parser.rb:49
[echo]发送到org/jruby/RubyKernel.java:2093
[echo]sass_脚本位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:1021
[回声]价值！位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:881
[echo]在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:858
[echo]声明或规则集位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:581
[echo]访问org/jruby/RubyProc.java:270
[echo]访问org/jruby/RubyProc.java:220
[echo]在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:1122
[echo]声明或规则集位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:591
[echo]block_child位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:553
[echo]block_目录位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:542
[echo]块位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:534
[echo]规则集位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:528
[echo]block_child位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:552
[echo]block_内容位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:545
[echo]样式表位于C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:82
[echo]在C处解析：/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/scss/parser.rb:27
[echo]_to_tree at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/engine.rb:342
[echo]_在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/engine.rb:315
[echo]在C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/。/sass/engine.rb:262上进行渲染
[回声]（根）在：48
[echo]无法解析/css/app.css
线程“main”org.jruby.embed.EvalFailedException中的[echo]异常：（SyntaxError）之后的CSS无效

“…ow-x:hidden\0/”：预期表达式（例如1px，粗体）为” [echo]位于org.jruby.embed.internal.embeddevalunitimpl.run（embeddevalunitimpl.java:127） [echo]位于org.jruby.embed.ScriptingContainer.runUnit（ScriptingContainer.java:1231） [echo]位于org.jruby.embed.ScriptingContainer.runScriptlet（ScriptingContainer.java:1224） [echo]位于com.liferay.portal.scripting.ruby.RubyExecutor.doEval（RubyExecutor.java:189） [echo]位于com.liferay.portal.scripting.ruby.RubyExecutor.eval（RubyExecutor.java:229） [echo]位于com.liferay.portal.scripting.ruby.RubyExecutor.eval（RubyExecutor.java:129） [echo]位于com.liferay.portal.tools.SassToCssBuilder.\u parseSassFi

 [echo] Loading jar:file:/D:/FormationJEE/Liferay/LiferayGA5/tomcat/liferay-portal-6.2-ce-ga5/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/system.properties
 [echo] Loading jar:file:/D:/FormationJEE/Liferay/LiferayGA5/tomcat/liferay-portal-6.2-ce-ga5/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/portal.properties
 [echo] Sass::SyntaxError: Invalid CSS after "...ow-x: hidden\0/": expected expression (e.g. 1px, bold), was ";"
 [echo]                 expected at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:1147
 [echo]                expected! at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/lexer.rb:199
 [echo]              assert_expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:471
 [echo]         times_div_or_mod at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:233
 [echo]            plus_or_minus at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:225
 [echo]               relational at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:225
 [echo]                eq_or_neq at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:225
 [echo]                 and_expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:225
 [echo]                  or_expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:225
 [echo]                    space at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:298
 [echo]                     expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:246
 [echo]                     send at org/jruby/RubyKernel.java:2093
 [echo]              assert_expr at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:470
 [echo]                    parse at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/script/parser.rb:49
 [echo]                     send at org/jruby/RubyKernel.java:2093
 [echo]              sass_script at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:1021
 [echo]                   value! at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:881
 [echo]              declaration at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:858
 [echo]   declaration_or_ruleset at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:581
 [echo]                     call at org/jruby/RubyProc.java:270
 [echo]                     call at org/jruby/RubyProc.java:220
 [echo]                  rethrow at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:1122
 [echo]   declaration_or_ruleset at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:591
 [echo]              block_child at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:553
 [echo]           block_contents at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:542
 [echo]                    block at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:534
 [echo]                  ruleset at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:528
 [echo]              block_child at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:552
 [echo]           block_contents at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:545
 [echo]               stylesheet at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:82
 [echo]                    parse at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/scss/parser.rb:27
 [echo]                 _to_tree at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/engine.rb:342
 [echo]                  _render at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/engine.rb:315
 [echo]                   render at C:/Users/MARWEN~1/AppData/Local/Temp/liferay/ruby/gems/sass-3.2.12/lib/sass/../sass/engine.rb:262
 [echo]                   (root) at <script>:48
 [echo] Unable to parse /css/app.css
 [echo] Exception in thread "main" org.jruby.embed.EvalFailedException: (SyntaxError) Invalid CSS after