我有以下较少的编译错误.我不太清楚是什么造成了这种情况.
undefined_methodError: error evaluating function `darken`: Object #<Object> has no method 'toHSL' in /Users/anderskitson/Sites/mrskitson.ca/wp-content/themes/wordpress-bootstrap/library/less/variables.less:164:34
163 @navbarBackground: "../images/nav.png";
164 @navbarBorder: darken(@navbarBackground, 12%);
165
(This action was triggered by a change to navbar.less)
少文件
@navbarBackground: "../images/nav.png";
background: url("{@navbarBackground}");