Possible Error
My original composition was taken down from musescore after I updated it. I have no idea what happened. I updated it through the software and have not gotten it back.
Update: this is what I see now: 
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Comments
Sounds like an issue over on musescore.com, best to ask for help over there, like on Improving Musescore.com
Report in https://musescore.com/groups/improving-musescore-com/