I see that as "Community reported issues" on 2.263.3 (2021-01-25) :-O
Either this is a mistake (or fake), or....
...IIRC, the relationship is defined via fingerprints. So you can get this effect, if you fingerprint "too eager".
If you happen to get two identical fingerprints, because e.g. you fingerprint a file which is the same all over your project, you get that seemingly connection.
We had been falling in this trap at one point...
Fixed.