I have a hypothesis that prior to booting up the latest version of Minecraft, I was able to upload 2 skins to the library without any issues, then when I was done setting up a modded version sometime later, it doesn't allow me anymore. Even the specifications of the skin fits the criteria of the error, I have checked the dimensions and data to see that there is no issues at all. Which is strange on its own
1. I have restarted Minecraft, which doesn't work at all. Like opening and closing the window.
2. This includes logging in and out, doesn't work
3. I have tried on different computers, still doesn't work.
4. Reuploading the same skins that successfully uploaded to the library, it didn't upload!
Below are attached images of the two skins I was able to successfully upload and the error message
Thank you for your report!
We're tracking this issue in MCL-24559, so this ticket is being resolved and linked as a duplicate.
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