This appears to have the same effect as bug 353005 but the cause does not appear to be the same. Choosing Configure Rekonq... | Search Engines displays: The module could not be found The diagnosis is: The desktop file could not be found Search engines that are already configured continue to work as expected Following the suggestion in bug 353005 I checked the installed packages but all applicable rekonq and konqueror packages are installed To reproduce: Open the Search Engines configuration dialog Expected result: A list of search engines to configure Platform: OpenSuse Tumbleweed 20170710 (64-bit) KDE Plasma 5.10.3 KDE Frameworks 5.35.0 Qt 5.9.1 Kernel 4.11.8-1-default Processors: 4x AMD A6-3670 APU with Radeon Hd Graphics RAM: 7.3GiB
Development on Rekonq ceased four years ago, and it has been unmaintained since then. KDE recommends using Falkon instead.