Lockscreen background remains black despite attempts to use Windows spotlight/customised pictures

[windows_abc]

I followed instructions to delete my lockscreen wallpaper history in the following manner: C:\ProgramData\Microsoft\Windows\SystemData, and I changed the ownership of the folder 'SystemData‘ in this process. However, after I successfully deleted the wallpaper history, my lockscreen wallpaper has become black and is unable to show the spotlight/picture I chose. There is no problem with the action of choosing a picture, but when I choose it, the lockscreen would remain black. In addition, when I try to right click on the picture stored locally and set as lockscreen, the system would notify that

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