Migrating from XE to XE2

[Nuxxy]

I have an app with Instrument Lab 4.8 on Delphi XE. It works perfectly. I am currently evaluating XE2 with the latest downloaded Instrument Lab 5.0.2. The same app now generates errors on compile. My code simply has a TILAngularGauge, and it is setting its position (Top). The same code that (still) works in XE now tells me: "[DCC Error] ... E2362 Cannot access protected symbol TControl.Top"

It's not the code. Where is the issue? Could it be because I have both XE and XE2 (and a new and old version of Instrument Lab) installed?