Blender Version
version: 2.90.0, branch: master, commit date: 2020-08-31 11:26, hash: rB0330d1af29c0
Short description of error
I think the gif is self explanatory.
It's not big deal just posted to be known.
Exact steps for others to reproduce the error
- Open attached file
- Ctrl+RMB on the socket where the links are coming out and move to the other socket