Missing W3C CSS SAC dependency for AntiSamy

15:45:13,309 ERROR [EventServiceImpl] Error during htmlsanitizerlistener sync listener execution, transaction won't be rolled back since event.markRollBack() was not called by the Listener
java.lang.NoClassDefFoundError: org/w3c/css/sac/DocumentHandler
at org.owasp.validator.html.scan.AntiSamyDOMScanner.recursiveValidateTag(AntiSamyDOMScanner.java:564)
at org.owasp.validator.html.scan.AntiSamyDOMScanner.recursiveValidateTag(AntiSamyDOMScanner.java:738)
at org.owasp.validator.html.scan.AntiSamyDOMScanner.scan(AntiSamyDOMScanner.java:153)
at org.owasp.validator.html.AntiSamy.scan(AntiSamy.java:107)
at org.nuxeo.ecm.platform.htmlsanitizer.HtmlSanitizerServiceImpl.sanitizeString(HtmlSanitizerServiceImpl.java:244)
at org.nuxeo.ecm.platform.htmlsanitizer.HtmlSanitizerServiceImpl.sanitizeDocument(HtmlSanitizerServiceImpl.java:229)
at org.nuxeo.ecm.platform.htmlsanitizer.HtmlSanitizerListener.handleEvent(HtmlSanitizerListener.java:55)
at org.nuxeo.ecm.core.event.impl.EventServiceImpl.fireEvent(EventServiceImpl.java:215)