警告：Nokogiri是针对LibXML版本2.7.7构建的，但动态加载了2.6.16

I can’t work out why I’m getting this error from Nokogiri when I start up Rails. From the little I know, it seems like something else is causing an older version of libxml2 to be loaded, which Nokogiri then ends up using, rather than the version it was compiled against.I can’t work out why I’m getting this error fro