Error

org.apache.cocoon.ProcessingException: Exception in ServerPagesGenerator.generate() at [TransformerException] - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/stylesheets/xhtml2pdf/Steely.xsl:0:0 at <map:serialize type="fo2pdf"> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:18:39 at <map:transform> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:14:63 at <map:transform> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:279:63 at <map:transform type="i18n"> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:276:33 at <map:transform> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:275:51 at <map:generate type="serverpages"> - file:/D:/apache-tomcat-5.5.15/webapps/../server/webapps/eva/core/sitemap.xmap:274:73