Site Missing From Project Page

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When I visit my projects page (which I don't often) I find that one of my sites is not listed.
http://www.chapelofrest.org/. The project was most likely named ChapelOfRest

I discovered this when trying to correct a "No input file specified." which seems to have started sometime post a GoDaddy migration from their 2GH to 4GH. I'm not sure if the two are related.

1) Once I am able to get to the dashboard (get No input file specified when trying to load dashboard too) can I re-establish the project?

2) What can cause a project to no longer be on my projects page

Thanks!