2235608 - HorizontalLayout exception in SAP KM

When you try to access any SAP Knowledge Management (KM) page, you get the following error message:

Runtime Error

An Exception occured while processing the request.
Additional information: com.sapportals.wdf.WdfError: com.sapportals.wdf.WdfException: Can't load Layout class: com.sapportals.wdf.layout.HorizontalLayout
Exception ID = 60e1a02b-5aac-3110-4184-cb519dfa9aee

In the Default trace file you can see the following:

#EP-KM-CM#sap.com/com.sap.km.application#C0000AC40865BF0D000000000000262E#8999350000000004#sap.com/com.sap.km.cm#com.sapportals.wcm.portal.component.base.ControllerComponent#921174#6792##98674BC139AB11E5C92C0000008951B6#9aa83e0839ab11e59e8b0000008951b6#9aa83e0839ab11e59e8b0000008951b6#0#Thread[HTTP Worker [@1811307483],5,Dedicated_Application_Thread]#Plain##
Exception ID = 60e1a02b-5aac-3110-4184-cb519dfa9aee com.sapportals.wdf.WdfError: com.sapportals.wdf.WdfException: Can't load Layout class: com.sapportals.wdf.layout.HorizontalLayout
 at com.sapportals.wdf.WdfCompositeController.buildComposition(WdfCompositeController.java:692)
 at com.sapportals.htmlb.AbstractCompositeComponent.preRender(AbstractCompositeComponent.java:33)
 at com.sapportals.htmlb.Container.preRender(Container.java:120)
 at com.sapportals.htmlb.Container.preRender(Container.java:120)
 at com.sapportals.htmlb.Container.preRender(Container.java:120)
 at com.sapportals.portal.htmlb.PrtContext.render(PrtContext.java:433)
 at com.sapportals.htmlb.page.DynPage.doOutput(DynPage.java:238)
 at com.sapportals.wcm.portal.component.base.KMControllerDynPage.doOutput(KMControllerDynPage.java:235)

Read more...

• EP Release Independent
• SAP NetWeaver
• SAP Composition Environment

SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Enterprise Portal 7.0, EP 7.0, Enterprise Portal 7.01, EP 7.01, Enterprise Portal 7.02, EP 7.02, Enterprise Portal 7.1, EP 7.1, Enterprise Portal 7.2, EP 7.2, Enterprise Portal 7.30, EP 7.30, Enterprise Portal 7.31, EP 7.31, Enterprise Portal 7.40, EP 7.4, Enterprise Portal 7.50, EP 7.5, CM, Content Management , KBA , EP-KM-CM , Content Management , Problem