2457557 - Portal Runtime Exception on accessing Fiori Launchpad

• While accessing the Fiori LaunchPad, you get portal runtime exception 
• You see an error in default traces (/usr/sap/<SID>/<instance>/j2ee/cluster/serverx/log) similar to the below:
  "Oops, it seems that you have entered FLP on EP with device type which is not maintained in the device group manager, therefore FLP on EP switched to safe mode. In order to avoid such cases, please maintain your device in the device group manager
  com.sapportals.portal.prt.component.PortalComponentException: Error in service call of Portal Component 
  Application name : com.sap.portal.navigation.flp.resources 
  Component : pcd:portal_content/every_user/general/defaultFLPFrameworkContent/FLPDesktop/frameworkPages/FLPFrameworkPage/com.sap.portal.FLPResources 
  Component class : com.sap.portal.navigation.flp.resources.FLPResources …
      at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
  Caused by: java.lang.NullPointerException: while trying to invoke the method com.sap.portal.ds.objects.IDeviceGroup.getAtomicID() of a null object loaded from local variable 'deviceGroup'
      at com.sap.portal.navigation.flp.resources.FLPResources.getDevicGroupAtomicId(FLPResources.java:693)
      at com.sap.portal.navigation.flp.resources.FLPResources.doContent(FLPResources.java:337)
      at com.sapportals.portal.prt.component.AbstractPortalComponent.serviceDeprecated(AbstractPortalComponent.java:213)
      at com.sapportals.portal.prt.component.AbstractPortalComponent.service(AbstractPortalComponent.java:129)"
• The error may happen only on Desktop devices, tablet devices (e.g: a ios or Android), mobile phone devices etc. or on all platforms

• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP Netweaver 7.5

Enterprise Portal 7.31, EP 7.31, Enterprise Portal 7.40, EP 7.4, Enterprise Portal 7.50, EP 7.5, ui5, fiori, iview,launchpad, flp, java,enterprise ,ipad, iphone, mobile, IDeviceGroup.getAtomicID, deviceGroup, java.lang.NullPointerException, FLPResources, Device Group Manager, User Agent Definition, ios, android, windows, tablet , KBA , EP-PIN-NAV-FFP , Fiori Framework Page , EP-PIN-PRT , Portal Runtime , Problem