2274580 - SAP Knowledge Management folders are not available

• When you navigate to Content Administration -> KM Content, some Knowledge Management (KM) folders fail to open giving the following error:
  
  System Error
  An exception occurred during the program execution
  
  while trying to invoke the method com.sapportals.wcm.repository.service.appproperties.IApplicationPropertiesService.getProperty(com.sapportals.wcm.repository.IPropertyName, com.sapportals.wcm.repository.IResource, java.lang.String) of a null object loaded from field com.sapportals.wcm.repository.service.appproperties.PropertiesManager.delegatee of an object loaded from local variable 'this'
  
  
• In KM Monitor (System Administration -> Monitoring -> Knowledge Management (KM) -> Content Management (CM) -> Services) you can see the following error:
  
  Navigate to System Administration -> Monitoring -> Knowledge Management (KM) -> Content Management (CM) -> Services) you can see the following error:  
  
  scheduler   startup failed
  Startup Error:  scheduler: runtime exception during start up: while trying to invoke the method com.sapportals.wcm.service.landscape.ILandscapeService.getSystemFactory() of a null object loaded from local variable 'landscape'
  
  
• In the Default trace you can see the following error:
   
  while trying to invoke the method com.sapportals.wcm.repository.service.appproperties.IApplicationPropertiesService.getProperty(com.sapportals.wcm.repository.IPropertyName, com.sapportals.wcm.repository.IResource, java.lang.String) of a null object loaded from field com.sapportals.wcm.repository.service.appproperties.PropertiesManager.delegatee of an object loaded from local variable 'this'

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

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 , KBA , EP-KM-CM , Content Management , Problem