The photo I attached says read-only, so I can't see the photo on the web page. What should I do?

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This is the picture I attached, and even though I wrote the code normally, it doesn't seem to work because of read-only. Can you tell me what's wrong

https://stackoverflow.com/questions/67362973/the-photo-i-attached-says-read-only-so-i-cant-see-the-photo-on-the-web-page-w May 03, 2021 at 10:53AM