Not Connected?

[GDavis88]

so i was looking at my relationships graph and on one of the relationships it seems that it doesnt connect to the graph and instead it floats next to it with and end that looks like this ( | ) i dont remember ever seeing this before could somebody tell me what it means?

[David Jondreau]

Check out this thread:

http://fmforums.com/forum/showtopic.php?tid/192839