This was fixed indirectly by an OTA5 (or OTA6?) bug where the header navigation icons were turned into black boxes, and we got the same error message when non-visible source was set.
** Changed in: ubuntu-ui-toolkit (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-ui-toolkit in Ubuntu. https://bugs.launchpad.net/bugs/1260793 Title: Error logs from Icon ShaderEffect Status in ubuntu-ui-toolkit package in Ubuntu: Fix Released Bug description: Getting the following error log when Icon using a colour shader is being set to non-visible ShaderEffect: Property 'source' is not assigned a valid texture provider (QQuickImage*). To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1260793/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp