KDE Marble crashing on start-up

[hui]

Kde marble mapping program stopped working

kde marble stopped working. It indicates drkonqi is crashing. I reinstalled both marble and drkonqi with no improvement. See terminal output from marble below. Was working when last used a few monyhs ago. Any ideas? base) tom@mydesktop: ~ $ marble Error creating openGL context WebEngineContext used before QtWebEngine::initialize() or OpenGL context creation failed. QGLXContext: Failed to create dummy context Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFl…