Hi,
These get continuously printed on .xsession-errors

Code: Select all

"/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "Unsupported operation (2)": "Invalid model"                                                                       
[/usr/bin/nepomukservicestub] "/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "org.freedesktop.DBus.Error.ServiceUnknown - The name org.kde.nepomuk.services.nepomukstorage was not provided by any .service files"                                                                                                                                   
"/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "Unsupported operation (2)": "Invalid model"                                                                       
[/usr/bin/nepomukservicestub] "/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "org.freedesktop.DBus.Error.ServiceUnknown - The name org.kde.nepomuk.services.nepomukstorage was not provided by any .service files"                                                                                                                                   
"/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "Unsupported operation (2)": "Invalid model"                                                                       
[/usr/bin/nepomukservicestub] "/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "Unsupported operation (2)": "Invalid model"                                         
[/usr/bin/nepomukservicestub] "/usr/bin/nepomukservicestub(4737)" Error in thread 3011980144 : "org.freedesktop.DBus.Error.ServiceUnknown - The name org.kde.nepomuk.services.nepomukstorage was not provided by any .service files"


Any idea what it is and how to fix it?

The error is because "org.kde.nepomuk.services.nepomukstorage" cannot be contacted. Please check your Virtuoso or Sesame2 configuration, or look for errors relating to them being unable to start.