With a current set of packages for kde under Debian/Sid/i386, version 2.3.1-18 of libqt2 is installed. I get the subject error message in a popup window. I click "OK" and I can run everything except what is supposed to be in the docking tray.
Taking the suggesting in previous postings to downgrade to version 2.3.1-17 of the libqt2 package does eliminate this problem, but creates many more. So, I did an "apt -f install" to get the newer version back. Just wanted to point this out in case no one is aware of it. I assume it is being worked by Ivan or someone helping him. Thanks for KDE/Debian...
