The feature that files Linked to Activities are no longer available since Nepomuk was replaced by Baloo in Desktop Search, However dolphin still show the option "Activities" in the context menu. So, either cancel the feature (which better not for its convenience) or fix it up. Reproducible: Always Steps to Reproduce: 1. Open dolphin 2. click right button on any file 3. click "Activities" on the context menu
The fileitem plugin is built only if the nepomuk libraries are present while building. This means that your distribution is compiling kactivities as if nepomuk is going to be present. The port of the plugin to baloo will happen for kactivities/qt5. The qt4 version is frozen for new features. When the port happens, the distributions will be able to use kamd/qt5 with kde sc 4.x, since it is backward compatible. The database of linked files will not be transferred, since there is no transition mechanism between nepomuk and baloo.
*** Bug 334127 has been marked as a duplicate of this bug. ***