I had to put 487, even though I do not test a Linux build. I did test it in 478 Windows though. Proposed1st quest: The "Keep Lower Level Items" is unchecked in the Magic Shield properties.
Reset all shield items to defaults.
Then check in Proposed2nd and Proposed3rd just to make sure [SIZE="1"](I looked in the Proposed2nd and noticed that "Keep Lower Level Items" in all shield items are checked.)[/SIZE]