Quote from Lpfreaky90 on January 28, 2012, 7:31 pm

DavidMiller wrote:

Anyone got any theories on this at all ? :-

Theory: Hammer was being emo.
Solution: cut out the original panel, forget it ever existed and place the copy!

95% chance your problem is "solved"!
(hammer can be pretty random)

Quote from Idolon on January 28, 2012, 7:40 pm

I have a feeling that if the placement helper isn't exactly on the surface, your portal is actually getting placed a few units from the wall. As a result, when you go through the portal you are being ejected for partially clipping the wall. Just a theory, anyhow.