Version: 2.3.0 (using 4.3.00 (KDE 4.3.0) "release 152", KDE:KDE4:Factory:Desktop / openSUSE_11.1) Compiler: gcc OS: Linux (i686) release 2.6.31-rc5-8-pae When you create a wrong association by accident, pressing Ctrl+Z won't undo this action.
Confirmed, this is not yet implemented.
*** Bug 281183 has been marked as a duplicate of this bug. ***
Same goes for deletion of associations.
*** Bug 114135 has been marked as a duplicate of this bug. ***