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When I go to upload a new version of an image onto userbase I get this error. I can upload brand new images but not a new version of an existing image. The latter is a useful feature as you get to propogate the changes to all the pages that use the image automatically.
Could not read or write file "mwstore://local-backend/local-public/4/45/Kdenlive_Effect_stack_icons2_0.9.3.png" due to insufficient permissions or missing directories/containers. Could not store file "/tmp/phpnHNgMS" at "mwstore://local-backend/local-public/4/45/Kdenlive_Effect_stack_icons2_0.9.3.png".
That has indeed fixed it. Thanks for the prompt service. What is still frustrating about the upload new file is that somewhere along the way the old version of the file seems to be cached somewhere and I have a hell of a time to get the new version to display. I can see it if I open the page on a completely different PC. But if I refresh the page, hard refresh the page, go into Chrome Dev Tools and do "empty cache and hard reload" I still see the old cached version. Totally anoying. - But probably nothing to do with uerbase.kde.org
The cached file is likely being delivered by Incapsula. If memory serves you can get the latest version of the image by refreshing using Ctrl + F5.