OK, that fixed it, using SDK 10.1
but I get a new compiler error
[DCC Fatal Error] F2588 Linker error code: 1 ($00000001)
(but not with a new project, so I think I will need to start a new project and add my existing iOS project to that, to past that error)

I suspect I need to install a later version of iOS SDK
doing that now

Hi there was no problem with the paths (and no $tee etc) howerver, did get past the error, by after updating to version 19, I then removed the path to version 18 for the ios64 paths now though Berlin is giving me another error (and even for a simple project compile to iOS64): [DCC Error] E2597 ld: f...

another key that might help is I went straight from Seatle to Berlin 10.1 update 1 (for the .iso installer, i.e with update 1 included for Belin, i.e I did not previously have Berln )

just to note that I do have the source version (i,e no treerecompile etc

Hi I have the same problem, even with the latest update installed Berlin with update 1 error is F2051 Unit FMXTee.Canvas was compiled with a different version of System.Rtti.TRttiContext when you highlight to compile iOS64 bit iphone 6.1 (the 64 bit I would presume you be needed to compile succesful...