HTTP Admin error

I am trying to configure my webserver.  I recently updated to the latest PTF 
for my system.  (V5R1)  this is the error  receive when I go the
http://localhost:2001/HTTPAdmin and then click on the manage section.  Any help 
would be appreciated.  I have search the archives but did not find anything 
that might help me. 

TIA

Scott Swaim


Error: 500
Location: /HTTPAdmin/Frame/propManageAll/Body
Internal Servlet Error:

java.lang.NoClassDefFoundError: com/ibm/as400/httpsvr/express/formConfigWas
      java/lang/Throwable.(Ljava/lang/String;)V+4 (Throwable.java:85) 
      java/lang/Error.(Ljava/lang/String;)V+1 (Error.java:41) 
      java/lang/NoClassDefFoundError.(Ljava/lang/String;)V+1 
(NoClassDefFoundError.java:38) 
      
com/ibm/as400/httpsvr/access/InstanceInfo.ffGetValue(Ljava/lang/Object;)Ljava/lang/String;+0
 (InstanceInfo.java:1178) 
      
com/ibm/as400/httpsvr/access/InstanceInfo.getWASSvr(Z)Ljava/lang/String;+0 
(InstanceInfo.java:263) 
      
com/ibm/as400/httpsvr/gui/propManageAll.formContents(Ljava/util/Hashtable;)Ljava/lang/String;+0
 (propManageAll.java:284) 
      
com/ibm/as400/httpsvr/toolkit/HTMLForm.refreshHTML(Ljava/util/Hashtable;)Ljava/lang/String;+0
 (HTMLForm.java:841) 
      
com/ibm/as400/httpsvr/toolkit/HTMLForm.getHTML(Ljava/lang/String;Ljava/util/Hashtable;)Ljava/lang/String;+0
 (HTMLForm.java:739) 
      
com/ibm/as400/httpsvr/gui/HTTPAdmin.getFrame(Lcom/ibm/as400/httpsvr/gui/AdminSession;Ljava/util/Hashtable;Ljavax/servlet/http/HttpServletRequest;Ljava/io/PrintWriter;)Z+0
 (HTTPAdmin.java:660) 
      
com/ibm/as400/httpsvr/gui/HTTPAdmin.doGet(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+0
 (HTTPAdmin.java:209) 
      
javax/servlet/http/HttpServlet.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V+32
 (HttpServlet.java:740) 
      
javax/servlet/http/HttpServlet.service(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V+25
 (HttpServlet.java:853) 
      
org/apache/tomcat/core/ServletWrapper.doService(Lorg/apache/tomcat/core/Request;Lorg/apache/tomcat/core/Response;)V+62
 (ServletWrapper.java:405) 
      
org/apache/tomcat/core/Handler.service(Lorg/apache/tomcat/core/Request;Lorg/apache/tomcat/core/Response;)V+199
 (Handler.java:287) 
      
org/apache/tomcat/core/ServletWrapper.service(Lorg/apache/tomcat/core/Request;Lorg/apache/tomcat/core/Response;)V+139
 (ServletWrapper.java:372) 
      
org/apache/tomcat/core/ContextManager.internalService(Lorg/apache/tomcat/core/Request;Lorg/apache/tomcat/core/Response;)V+248
 (ContextManager.java:806) 
      
org/apache/tomcat/core/ContextManager.service(Lorg/apache/tomcat/core/Request;Lorg/apache/tomcat/core/Response;)V+15
 (ContextManager.java:752) 
      
org/apache/tomcat/service/connector/JNIConnectionHandler.processConnection(JJ)V+249
 (JNIConnectionHandler.java:186) 
      org/apache/tomcat/service/JNIEndpoint.service(JJ)I+13 
(JNIEndpoint.java:176)