I had the same problem (same backtrace) with a user migrated though several Ubuntu releases. I found that changing ShowIconsOnPushButtons=false to true in config file .kde/share/config/kdeglobals avoids the crash for me. Not a fix, obviously, but maybe a hint.
I had the same problem (same backtrace) with a user migrated though several Ubuntu releases. I found that changing ShowIconsOnPush Buttons= false to true in config file .kde/share/ config/ kdeglobals avoids the crash for me. Not a fix, obviously, but maybe a hint.