That's an unacceptable and ultimately I believe incorrect answer. (actually I think it's a BS answer ...)
I use that same lens and have used with my my Leaf Aptus 65, P40+, P25+ and IQ 160 and I haven't had anything like this level of centerfolding before. As you know, I started the thread on GetDPI regarding my IQ160 and I also mostly use tech cams with movements. The SK 47 argument completely falls apart in my opinion. I would definitely go back and request recalibration.
+1 on that.
I don't have a 47 but use the 43mm Schneider all the time. When I had to send in my 160, to Phase I received a 180 loaner, the 180 showed this effect with the 43mm Schneider, in vertical lines, much like Graham has shown on his post on getdpi. This was in a blue sky not B & W and it was harsh enough that most of the frames were not really useable. You can only use Content aware so much and when you zoom out many times you can still see the demarcation or fade problems. This same lens works fine on my 160. On the 180 these were all on center shots, not shifts. The 28mm Rodenstock and 60mm Schneider had no problems, for some reason only the 43mm.
With my 160, often times I see these lines on the camera's LCD mainly when looking at a LCC shot. So far when the files are opened in Capture One the lines are blended out. What surprised me was when I was shooting the files with the 180 and 43mm I did not see any problems and all of the corresponding LCC's did not show any lines (both on the camera LCD and processed out in Capture One), yet they were present in the final file. On the 160, I tend to see the lines on the camera's LCD with most of my lenses, including the Rodenstock 28mm.
I have never really understood the process of the blending out the centerfold lines, and assumed at first it was done in the camera, however based on my experience, it seems like a combination of camera firmware and Capture One. It's a very grey area that you don't read about much and not much has been written about it.
To the tech support answer, for sure the Rodenstock, retro-focus design seems to work better on the larger sensors in that it helps to reduce the color shifting. The 43mm on the 180 also had a much more harsh color shift, magenta and green which the LCC did correct. It also really only allowed about 7-8mm of shift before the magenta color cast became too harsh. When the 180's first started to ship there were some posts about this same problem, but with DF or AFDIII bodies and Mamiya glass. The answer then seemed to be a "recalibration" that has been mentioned. Personally if you are only seeing the problem with the 47mm, you may need to have the back and lens shipped off for recalibration.
Hopefully Leaf/Phase can get it fixed.