Actually I'm experimenting with dockingports because before I sent a spacecraft into orbit which later should be dockable, I'm experimenting I got it correct how the ports are working.
Fortunately I did so...
Actually my problem is, I have a scenario where 2 spacecrafts are docking each other on the launchway. but after I click to detatch, the port detatches from the counterpart as expectet, but.... it also detatches itself from the spacecraft...
This is a screenshot of the current testing setup:
http://wiki.kerbalspaceprogram.com/wiki/Docking#Docking_ports
is telling this is a mistake often done by beginners, but doesn't tell how to avoid this / do it correctly.
So my question simply is, how to dock correctly, in a way detatching just detatches the ports from each other but none of both from any spacecraft part?