Invalid Chart URL?

[MorelloHero73519]

Hey, I've been making my own custom charts for GH3 for quite a while, and I just recently finished making a chart that I'm extremely proud of, so I wanted to submit it to this website. The problem is, whenever I try to add the download link to the chart, for some reason, the site keeps saying I have an invalid chart URL.
In case anyone is wondering, this is the link to my chart: https://www.mediafire.com/file/k6rwnse2di27jmi/The+Most+Mysterious+Song+on+the+Internet.rar/file

I've downloaded quite a few charts from here and I don't really see other people have this problem, so I'm unsure why this isn't working for me. Any help would be greatly appreciated.

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[MorelloHero73519]

Hey, I've been making my own custom charts for GH3 for quite a while, and I just recently finished making a chart that I'm extremely proud of, so I wanted to submit it to this website. The problem is, whenever I try to add the download link to the chart, for some reason, the site keeps saying I have an invalid chart URL.
In case anyone is wondering, this is the link to my chart: https://www.mediafire.com/file/k6rwnse2di27jmi/The+Most+Mysterious+Song+on+the+Internet.rar/file

I've downloaded quite a few charts from here and I don't really see other people have this problem, so I'm unsure why this isn't working for me. Any help would be greatly appreciated.

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