This is how it looks like:
When I click “Home” and then “Start my Server”:
Nothing happens, I see this kind of error:

      
    This is how it looks like:
When I click “Home” and then “Start my Server”:
Nothing happens, I see this kind of error:

This happens due to the disk issues. Please check this post that outlines this issue: My User Disk Space Quota in the lab has exceeded. How can I clean the unnecessary files?
Also, go thru the Far Usage policy: