java.lang.IllegalArgumentException

Value of 'DOCID' contains possible HTML: null[/li][ (html safely converted) 

      at.kris.p_engine.PSession.getParameterHtmlChecked(PSession.java:183)
      at.kris.doc.controller.DocSession.render(DocSession.java:1598)
      at.kris.p_engine.MainServlet.render(MainServlet.java:94)
      at.kris.p_engine.DocSessionServlet.doGet(DocSessionServlet.java:260)
      jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
      jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
      org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:195)
      org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
      org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
      org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
      org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
      at.kris.doc.controller.MultipartFilter.doFilter(MultipartFilter.java:168)
      org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
      ...19 more.